Home / 1,253,088.18-1,729,262.94-680,128.47

Finding the Fourth Proportional to 1,253,088.18, 1,729,262.94 and 680,128.47

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Solution

The fourth proportional to 1,253,088.18, 1,729,262.94 and 680,128.47 is: 938,577.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,088.18 : 1,729,262.94 = 680,128.47 : x
  2. Step 2: Convert to fraction form
    1,253,088.18/1,729,262.94 = 680,128.47/x
  3. Step 3: Cross multiply
    1,253,088.18x = 1,729,262.94 × 680,128.47
  4. Step 4: Simplify right side
    1,253,088.18x = 1,176,120,957,609.90
  5. Step 5: Solve for x
    x = 1,176,120,957,609.90/1,253,088.18
  6. Step 6: Final answer
    x = 938,577.97

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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.