Home / 951,724.28-1,427,960.10-418,871.54

Finding the Fourth Proportional to 951,724.28, 1,427,960.10 and 418,871.54

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Solution

The fourth proportional to 951,724.28, 1,427,960.10 and 418,871.54 is: 628,471.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,724.28 : 1,427,960.10 = 418,871.54 : x
  2. Step 2: Convert to fraction form
    951,724.28/1,427,960.10 = 418,871.54/x
  3. Step 3: Cross multiply
    951,724.28x = 1,427,960.10 × 418,871.54
  4. Step 4: Simplify right side
    951,724.28x = 598,131,846,145.55
  5. Step 5: Solve for x
    x = 598,131,846,145.55/951,724.28
  6. Step 6: Final answer
    x = 628,471.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.