Home / 424,587.41-636,881.10-109,044.62

Finding the Fourth Proportional to 424,587.41, 636,881.10 and 109,044.62

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Solution

The fourth proportional to 424,587.41, 636,881.10 and 109,044.62 is: 163,566.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,587.41 : 636,881.10 = 109,044.62 : x
  2. Step 2: Convert to fraction form
    424,587.41/636,881.10 = 109,044.62/x
  3. Step 3: Cross multiply
    424,587.41x = 636,881.10 × 109,044.62
  4. Step 4: Simplify right side
    424,587.41x = 69,448,454,350.28
  5. Step 5: Solve for x
    x = 69,448,454,350.28/424,587.41
  6. Step 6: Final answer
    x = 163,566.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.