Home / 526,631.28-726,750.36-284,913.24

Finding the Fourth Proportional to 526,631.28, 726,750.36 and 284,913.24

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Solution

The fourth proportional to 526,631.28, 726,750.36 and 284,913.24 is: 393,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,631.28 : 726,750.36 = 284,913.24 : x
  2. Step 2: Convert to fraction form
    526,631.28/726,750.36 = 284,913.24/x
  3. Step 3: Cross multiply
    526,631.28x = 726,750.36 × 284,913.24
  4. Step 4: Simplify right side
    526,631.28x = 207,060,799,738.77
  5. Step 5: Solve for x
    x = 207,060,799,738.77/526,631.28
  6. Step 6: Final answer
    x = 393,179.83

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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.