Home / 747,666.56-1,031,766.57-425,369.72

Finding the Fourth Proportional to 747,666.56, 1,031,766.57 and 425,369.72

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Solution

The fourth proportional to 747,666.56, 1,031,766.57 and 425,369.72 is: 587,002.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,666.56 : 1,031,766.57 = 425,369.72 : x
  2. Step 2: Convert to fraction form
    747,666.56/1,031,766.57 = 425,369.72/x
  3. Step 3: Cross multiply
    747,666.56x = 1,031,766.57 × 425,369.72
  4. Step 4: Simplify right side
    747,666.56x = 438,882,251,827.43
  5. Step 5: Solve for x
    x = 438,882,251,827.43/747,666.56
  6. Step 6: Final answer
    x = 587,002.65

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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.