Home / 747,723.52-1,031,767.68-425,474.56

Finding the Fourth Proportional to 747,723.52, 1,031,767.68 and 425,474.56

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Solution

The fourth proportional to 747,723.52, 1,031,767.68 and 425,474.56 is: 587,103.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,723.52 : 1,031,767.68 = 425,474.56 : x
  2. Step 2: Convert to fraction form
    747,723.52/1,031,767.68 = 425,474.56/x
  3. Step 3: Cross multiply
    747,723.52x = 1,031,767.68 × 425,474.56
  4. Step 4: Simplify right side
    747,723.52x = 438,990,899,670.22
  5. Step 5: Solve for x
    x = 438,990,899,670.22/747,723.52
  6. Step 6: Final answer
    x = 587,103.24

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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.