Home / 395,938.20-593,979.30-129,624.60

Finding the Fourth Proportional to 395,938.20, 593,979.30 and 129,624.60

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Solution

The fourth proportional to 395,938.20, 593,979.30 and 129,624.60 is: 194,460.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,938.20 : 593,979.30 = 129,624.60 : x
  2. Step 2: Convert to fraction form
    395,938.20/593,979.30 = 129,624.60/x
  3. Step 3: Cross multiply
    395,938.20x = 593,979.30 × 129,624.60
  4. Step 4: Simplify right side
    395,938.20x = 76,994,329,170.78
  5. Step 5: Solve for x
    x = 76,994,329,170.78/395,938.20
  6. Step 6: Final answer
    x = 194,460.47

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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.