Home / 860,249.91-1,187,211.39-516,098.73

Finding the Fourth Proportional to 860,249.91, 1,187,211.39 and 516,098.73

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Solution

The fourth proportional to 860,249.91, 1,187,211.39 and 516,098.73 is: 712,256.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,249.91 : 1,187,211.39 = 516,098.73 : x
  2. Step 2: Convert to fraction form
    860,249.91/1,187,211.39 = 516,098.73/x
  3. Step 3: Cross multiply
    860,249.91x = 1,187,211.39 × 516,098.73
  4. Step 4: Simplify right side
    860,249.91x = 612,718,290,620.54
  5. Step 5: Solve for x
    x = 612,718,290,620.54/860,249.91
  6. Step 6: Final answer
    x = 712,256.15

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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.