Home / 747,588.61-1,031,636.41-425,268.55

Finding the Fourth Proportional to 747,588.61, 1,031,636.41 and 425,268.55

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Solution

The fourth proportional to 747,588.61, 1,031,636.41 and 425,268.55 is: 586,850.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,588.61 : 1,031,636.41 = 425,268.55 : x
  2. Step 2: Convert to fraction form
    747,588.61/1,031,636.41 = 425,268.55/x
  3. Step 3: Cross multiply
    747,588.61x = 1,031,636.41 × 425,268.55
  4. Step 4: Simplify right side
    747,588.61x = 438,722,520,207.91
  5. Step 5: Solve for x
    x = 438,722,520,207.91/747,588.61
  6. Step 6: Final answer
    x = 586,850.19

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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.