Home / 481,939.10-665,079.90-267,082.70

Finding the Fourth Proportional to 481,939.10, 665,079.90 and 267,082.70

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Solution

The fourth proportional to 481,939.10, 665,079.90 and 267,082.70 is: 368,576.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,939.10 : 665,079.90 = 267,082.70 : x
  2. Step 2: Convert to fraction form
    481,939.10/665,079.90 = 267,082.70/x
  3. Step 3: Cross multiply
    481,939.10x = 665,079.90 × 267,082.70
  4. Step 4: Simplify right side
    481,939.10x = 177,631,335,407.73
  5. Step 5: Solve for x
    x = 177,631,335,407.73/481,939.10
  6. Step 6: Final answer
    x = 368,576.31

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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.