Home / 461,319.86-636,637.18-267,712.66

Finding the Fourth Proportional to 461,319.86, 636,637.18 and 267,712.66

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Solution

The fourth proportional to 461,319.86, 636,637.18 and 267,712.66 is: 369,452.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,319.86 : 636,637.18 = 267,712.66 : x
  2. Step 2: Convert to fraction form
    461,319.86/636,637.18 = 267,712.66/x
  3. Step 3: Cross multiply
    461,319.86x = 636,637.18 × 267,712.66
  4. Step 4: Simplify right side
    461,319.86x = 170,435,829,060.23
  5. Step 5: Solve for x
    x = 170,435,829,060.23/461,319.86
  6. Step 6: Final answer
    x = 369,452.62

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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.