Home / 747,712.67-1,031,847.69-425,422.77

Finding the Fourth Proportional to 747,712.67, 1,031,847.69 and 425,422.77

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Solution

The fourth proportional to 747,712.67, 1,031,847.69 and 425,422.77 is: 587,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,712.67 : 1,031,847.69 = 425,422.77 : x
  2. Step 2: Convert to fraction form
    747,712.67/1,031,847.69 = 425,422.77/x
  3. Step 3: Cross multiply
    747,712.67x = 1,031,847.69 × 425,422.77
  4. Step 4: Simplify right side
    747,712.67x = 438,971,498,854.73
  5. Step 5: Solve for x
    x = 438,971,498,854.73/747,712.67
  6. Step 6: Final answer
    x = 587,085.81

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Double scale
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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.