Home / 905,144.21-1,248,960.24-523,097.27

Finding the Fourth Proportional to 905,144.21, 1,248,960.24 and 523,097.27

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Solution

The fourth proportional to 905,144.21, 1,248,960.24 and 523,097.27 is: 721,794.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,144.21 : 1,248,960.24 = 523,097.27 : x
  2. Step 2: Convert to fraction form
    905,144.21/1,248,960.24 = 523,097.27/x
  3. Step 3: Cross multiply
    905,144.21x = 1,248,960.24 × 523,097.27
  4. Step 4: Simplify right side
    905,144.21x = 653,327,691,882.55
  5. Step 5: Solve for x
    x = 653,327,691,882.55/905,144.21
  6. Step 6: Final answer
    x = 721,794.04

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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.