Home / 396,766.92-595,172.89-126,918.76

Finding the Fourth Proportional to 396,766.92, 595,172.89 and 126,918.76

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Solution

The fourth proportional to 396,766.92, 595,172.89 and 126,918.76 is: 190,385.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,766.92 : 595,172.89 = 126,918.76 : x
  2. Step 2: Convert to fraction form
    396,766.92/595,172.89 = 126,918.76/x
  3. Step 3: Cross multiply
    396,766.92x = 595,172.89 × 126,918.76
  4. Step 4: Simplify right side
    396,766.92x = 75,538,602,940.20
  5. Step 5: Solve for x
    x = 75,538,602,940.20/396,766.92
  6. Step 6: Final answer
    x = 190,385.34

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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.