Home / 395,936.20-593,976.30-129,622.60

Finding the Fourth Proportional to 395,936.20, 593,976.30 and 129,622.60

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Solution

The fourth proportional to 395,936.20, 593,976.30 and 129,622.60 is: 194,457.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,936.20 : 593,976.30 = 129,622.60 : x
  2. Step 2: Convert to fraction form
    395,936.20/593,976.30 = 129,622.60/x
  3. Step 3: Cross multiply
    395,936.20x = 593,976.30 × 129,622.60
  4. Step 4: Simplify right side
    395,936.20x = 76,992,752,344.38
  5. Step 5: Solve for x
    x = 76,992,752,344.38/395,936.20
  6. Step 6: Final answer
    x = 194,457.47

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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.