Finding the Fourth Proportional to 713,695, 984,899.10 and 395,743
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Solution
The fourth proportional to 713,695, 984,899.10 and 395,743 is: 546,125.34
Step by Step Solution
- Step 1: Write the proportion equation
713,695 : 984,899.10 = 395,743 : x - Step 2: Convert to fraction form
713,695/984,899.10 = 395,743/x - Step 3: Cross multiply
713,695x = 984,899.10 × 395,743 - Step 4: Simplify right side
713,695x = 389,766,924,531.30 - Step 5: Solve for x
x = 389,766,924,531.30/713,695 - Step 6: Final answer
x = 546,125.34
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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.