Home / 396,050.40-593,929.80-129,819.60

Finding the Fourth Proportional to 396,050.40, 593,929.80 and 129,819.60

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Solution

The fourth proportional to 396,050.40, 593,929.80 and 129,819.60 is: 194,681.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,050.40 : 593,929.80 = 129,819.60 : x
  2. Step 2: Convert to fraction form
    396,050.40/593,929.80 = 129,819.60/x
  3. Step 3: Cross multiply
    396,050.40x = 593,929.80 × 129,819.60
  4. Step 4: Simplify right side
    396,050.40x = 77,103,729,064.08
  5. Step 5: Solve for x
    x = 77,103,729,064.08/396,050.40
  6. Step 6: Final answer
    x = 194,681.61

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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.