Home / 396,823.16-595,257.21-126,975.02

Finding the Fourth Proportional to 396,823.16, 595,257.21 and 126,975.02

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Solution

The fourth proportional to 396,823.16, 595,257.21 and 126,975.02 is: 190,469.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,823.16 : 595,257.21 = 126,975.02 : x
  2. Step 2: Convert to fraction form
    396,823.16/595,257.21 = 126,975.02/x
  3. Step 3: Cross multiply
    396,823.16x = 595,257.21 × 126,975.02
  4. Step 4: Simplify right side
    396,823.16x = 75,582,794,180.59
  5. Step 5: Solve for x
    x = 75,582,794,180.59/396,823.16
  6. Step 6: Final answer
    x = 190,469.72

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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.