Home / 396,124.14-546,721.17-235,068

Finding the Fourth Proportional to 396,124.14, 546,721.17 and 235,068

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Solution

The fourth proportional to 396,124.14, 546,721.17 and 235,068 is: 324,435.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,124.14 : 546,721.17 = 235,068 : x
  2. Step 2: Convert to fraction form
    396,124.14/546,721.17 = 235,068/x
  3. Step 3: Cross multiply
    396,124.14x = 546,721.17 × 235,068
  4. Step 4: Simplify right side
    396,124.14x = 128,516,651,989.56
  5. Step 5: Solve for x
    x = 128,516,651,989.56/396,124.14
  6. Step 6: Final answer
    x = 324,435.29

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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.