Home / 526,724.13-726,874.07-285,001.41

Finding the Fourth Proportional to 526,724.13, 726,874.07 and 285,001.41

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Solution

The fourth proportional to 526,724.13, 726,874.07 and 285,001.41 is: 393,299.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,724.13 : 726,874.07 = 285,001.41 : x
  2. Step 2: Convert to fraction form
    526,724.13/726,874.07 = 285,001.41/x
  3. Step 3: Cross multiply
    526,724.13x = 726,874.07 × 285,001.41
  4. Step 4: Simplify right side
    526,724.13x = 207,160,133,417.43
  5. Step 5: Solve for x
    x = 207,160,133,417.43/526,724.13
  6. Step 6: Final answer
    x = 393,299.11

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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.