Home / 727,142.49-1,001,231.15-725,042.97

Finding the Fourth Proportional to 727,142.49, 1,001,231.15 and 725,042.97

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Solution

The fourth proportional to 727,142.49, 1,001,231.15 and 725,042.97 is: 998,340.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,142.49 : 1,001,231.15 = 725,042.97 : x
  2. Step 2: Convert to fraction form
    727,142.49/1,001,231.15 = 725,042.97/x
  3. Step 3: Cross multiply
    727,142.49x = 1,001,231.15 × 725,042.97
  4. Step 4: Simplify right side
    727,142.49x = 725,935,603,027.30
  5. Step 5: Solve for x
    x = 725,935,603,027.30/727,142.49
  6. Step 6: Final answer
    x = 998,340.23

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1.5x scale

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.