Finding the Fourth Proportional to 734,040.58, 1,101,489.54 and 307,539.97
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Solution
The fourth proportional to 734,040.58, 1,101,489.54 and 307,539.97 is: 461,489.55
Step by Step Solution
- Step 1: Write the proportion equation
734,040.58 : 1,101,489.54 = 307,539.97 : x - Step 2: Convert to fraction form
734,040.58/1,101,489.54 = 307,539.97/x - Step 3: Cross multiply
734,040.58x = 1,101,489.54 × 307,539.97 - Step 4: Simplify right side
734,040.58x = 338,752,060,086.91 - Step 5: Solve for x
x = 338,752,060,086.91/734,040.58 - Step 6: Final answer
x = 461,489.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.