Home / 725,536.20-1,086,992.10-591,691.80

Finding the Fourth Proportional to 725,536.20, 1,086,992.10 and 591,691.80

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Solution

The fourth proportional to 725,536.20, 1,086,992.10 and 591,691.80 is: 886,467.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,536.20 : 1,086,992.10 = 591,691.80 : x
  2. Step 2: Convert to fraction form
    725,536.20/1,086,992.10 = 591,691.80/x
  3. Step 3: Cross multiply
    725,536.20x = 1,086,992.10 × 591,691.80
  4. Step 4: Simplify right side
    725,536.20x = 643,164,312,234.78
  5. Step 5: Solve for x
    x = 643,164,312,234.78/725,536.20
  6. Step 6: Final answer
    x = 886,467.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.