Home / 485,325.12-669,719.22-267,524.24

Finding the Fourth Proportional to 485,325.12, 669,719.22 and 267,524.24

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Solution

The fourth proportional to 485,325.12, 669,719.22 and 267,524.24 is: 369,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,325.12 : 669,719.22 = 267,524.24 : x
  2. Step 2: Convert to fraction form
    485,325.12/669,719.22 = 267,524.24/x
  3. Step 3: Cross multiply
    485,325.12x = 669,719.22 × 267,524.24
  4. Step 4: Simplify right side
    485,325.12x = 179,166,125,343.89
  5. Step 5: Solve for x
    x = 179,166,125,343.89/485,325.12
  6. Step 6: Final answer
    x = 369,167.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.