Home / 1,253,137.16-1,729,331.03-680,177.45

Finding the Fourth Proportional to 1,253,137.16, 1,729,331.03 and 680,177.45

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Solution

The fourth proportional to 1,253,137.16, 1,729,331.03 and 680,177.45 is: 938,645.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,137.16 : 1,729,331.03 = 680,177.45 : x
  2. Step 2: Convert to fraction form
    1,253,137.16/1,729,331.03 = 680,177.45/x
  3. Step 3: Cross multiply
    1,253,137.16x = 1,729,331.03 × 680,177.45
  4. Step 4: Simplify right side
    1,253,137.16x = 1,176,251,970,191.27
  5. Step 5: Solve for x
    x = 1,176,251,970,191.27/1,253,137.16
  6. Step 6: Final answer
    x = 938,645.83

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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.