Home / 396,822.72-595,256.55-126,974.58

Finding the Fourth Proportional to 396,822.72, 595,256.55 and 126,974.58

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Solution

The fourth proportional to 396,822.72, 595,256.55 and 126,974.58 is: 190,469.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,822.72 : 595,256.55 = 126,974.58 : x
  2. Step 2: Convert to fraction form
    396,822.72/595,256.55 = 126,974.58/x
  3. Step 3: Cross multiply
    396,822.72x = 595,256.55 × 126,974.58
  4. Step 4: Simplify right side
    396,822.72x = 75,582,450,428.50
  5. Step 5: Solve for x
    x = 75,582,450,428.50/396,822.72
  6. Step 6: Final answer
    x = 190,469.06

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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.