The following table gives the number of employees in different departments of an organisation and percentage of females and males. Study the table carefully and answer the question. 

Department	Total NO. of employees	% of females	% of males
IT	640	45	55
Accounts	220	40	60
Production	800	30	70
HR	360	65	35
Marketing	400	40	60

Find the ratio of the number of females in production and HR departments together to the number of males in the IT and Accounts departments together.