Home / 347,786.20-522,068.10-269,248.60

Finding the Fourth Proportional to 347,786.20, 522,068.10 and 269,248.60

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Solution

The fourth proportional to 347,786.20, 522,068.10 and 269,248.60 is: 404,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,786.20 : 522,068.10 = 269,248.60 : x
  2. Step 2: Convert to fraction form
    347,786.20/522,068.10 = 269,248.60/x
  3. Step 3: Cross multiply
    347,786.20x = 522,068.10 × 269,248.60
  4. Step 4: Simplify right side
    347,786.20x = 140,566,105,029.66
  5. Step 5: Solve for x
    x = 140,566,105,029.66/347,786.20
  6. Step 6: Final answer
    x = 404,173.90

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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.