Home / 461,213.10-636,489.90-267,606.18

Finding the Fourth Proportional to 461,213.10, 636,489.90 and 267,606.18

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Solution

The fourth proportional to 461,213.10, 636,489.90 and 267,606.18 is: 369,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,213.10 : 636,489.90 = 267,606.18 : x
  2. Step 2: Convert to fraction form
    461,213.10/636,489.90 = 267,606.18/x
  3. Step 3: Cross multiply
    461,213.10x = 636,489.90 × 267,606.18
  4. Step 4: Simplify right side
    461,213.10x = 170,328,630,747.58
  5. Step 5: Solve for x
    x = 170,328,630,747.58/461,213.10
  6. Step 6: Final answer
    x = 369,305.71

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1.5x scale

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.