Finding the Fourth Proportional to 733,494.97, 1,012,207.98 and 406,755.26
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Solution
The fourth proportional to 733,494.97, 1,012,207.98 and 406,755.26 is: 561,313.89
Step by Step Solution
- Step 1: Write the proportion equation
733,494.97 : 1,012,207.98 = 406,755.26 : x - Step 2: Convert to fraction form
733,494.97/1,012,207.98 = 406,755.26/x - Step 3: Cross multiply
733,494.97x = 1,012,207.98 × 406,755.26 - Step 4: Simplify right side
733,494.97x = 411,720,915,350.48 - Step 5: Solve for x
x = 411,720,915,350.48/733,494.97 - Step 6: Final answer
x = 561,313.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.