Home / 481,943.27-665,108.18-267,078.72

Finding the Fourth Proportional to 481,943.27, 665,108.18 and 267,078.72

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Solution

The fourth proportional to 481,943.27, 665,108.18 and 267,078.72 is: 368,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,943.27 : 665,108.18 = 267,078.72 : x
  2. Step 2: Convert to fraction form
    481,943.27/665,108.18 = 267,078.72/x
  3. Step 3: Cross multiply
    481,943.27x = 665,108.18 × 267,078.72
  4. Step 4: Simplify right side
    481,943.27x = 177,636,241,375.93
  5. Step 5: Solve for x
    x = 177,636,241,375.93/481,943.27
  6. Step 6: Final answer
    x = 368,583.30

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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.