Home / 410,867.85-616,329.62-126,540.84

Finding the Fourth Proportional to 410,867.85, 616,329.62 and 126,540.84

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Solution

The fourth proportional to 410,867.85, 616,329.62 and 126,540.84 is: 189,819.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,867.85 : 616,329.62 = 126,540.84 : x
  2. Step 2: Convert to fraction form
    410,867.85/616,329.62 = 126,540.84/x
  3. Step 3: Cross multiply
    410,867.85x = 616,329.62 × 126,540.84
  4. Step 4: Simplify right side
    410,867.85x = 77,990,867,198.98
  5. Step 5: Solve for x
    x = 77,990,867,198.98/410,867.85
  6. Step 6: Final answer
    x = 189,819.83

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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.