Home / 501,191.28-691,601.17-283,389.27

Finding the Fourth Proportional to 501,191.28, 691,601.17 and 283,389.27

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Solution

The fourth proportional to 501,191.28, 691,601.17 and 283,389.27 is: 391,052.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,191.28 : 691,601.17 = 283,389.27 : x
  2. Step 2: Convert to fraction form
    501,191.28/691,601.17 = 283,389.27/x
  3. Step 3: Cross multiply
    501,191.28x = 691,601.17 × 283,389.27
  4. Step 4: Simplify right side
    501,191.28x = 195,992,350,697.45
  5. Step 5: Solve for x
    x = 195,992,350,697.45/501,191.28
  6. Step 6: Final answer
    x = 391,052.99

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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.