Home / 396,816.72-595,247.55-126,968.58

Finding the Fourth Proportional to 396,816.72, 595,247.55 and 126,968.58

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Solution

The fourth proportional to 396,816.72, 595,247.55 and 126,968.58 is: 190,460.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,816.72 : 595,247.55 = 126,968.58 : x
  2. Step 2: Convert to fraction form
    396,816.72/595,247.55 = 126,968.58/x
  3. Step 3: Cross multiply
    396,816.72x = 595,247.55 × 126,968.58
  4. Step 4: Simplify right side
    396,816.72x = 75,577,736,171.98
  5. Step 5: Solve for x
    x = 75,577,736,171.98/396,816.72
  6. Step 6: Final answer
    x = 190,460.06

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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.