Home / 1,553,970.38-2,144,194.45-865,625.11

Finding the Fourth Proportional to 1,553,970.38, 2,144,194.45 and 865,625.11

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Solution

The fourth proportional to 1,553,970.38, 2,144,194.45 and 865,625.11 is: 1,194,404.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,970.38 : 2,144,194.45 = 865,625.11 : x
  2. Step 2: Convert to fraction form
    1,553,970.38/2,144,194.45 = 865,625.11/x
  3. Step 3: Cross multiply
    1,553,970.38x = 2,144,194.45 × 865,625.11
  4. Step 4: Simplify right side
    1,553,970.38x = 1,856,068,541,593.54
  5. Step 5: Solve for x
    x = 1,856,068,541,593.54/1,553,970.38
  6. Step 6: Final answer
    x = 1,194,404.07

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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.