Home / 1,254,397.92-1,731,070.62-681,438

Finding the Fourth Proportional to 1,254,397.92, 1,731,070.62 and 681,438

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Solution

The fourth proportional to 1,254,397.92, 1,731,070.62 and 681,438 is: 940,385.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,397.92 : 1,731,070.62 = 681,438 : x
  2. Step 2: Convert to fraction form
    1,254,397.92/1,731,070.62 = 681,438/x
  3. Step 3: Cross multiply
    1,254,397.92x = 1,731,070.62 × 681,438
  4. Step 4: Simplify right side
    1,254,397.92x = 1,179,617,301,151.56
  5. Step 5: Solve for x
    x = 1,179,617,301,151.56/1,254,397.92
  6. Step 6: Final answer
    x = 940,385.25

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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.