Home / 787,929.28-1,181,721.08-226,841.92

Finding the Fourth Proportional to 787,929.28, 1,181,721.08 and 226,841.92

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Solution

The fourth proportional to 787,929.28, 1,181,721.08 and 226,841.92 is: 340,213.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,929.28 : 1,181,721.08 = 226,841.92 : x
  2. Step 2: Convert to fraction form
    787,929.28/1,181,721.08 = 226,841.92/x
  3. Step 3: Cross multiply
    787,929.28x = 1,181,721.08 × 226,841.92
  4. Step 4: Simplify right side
    787,929.28x = 268,063,878,691.67
  5. Step 5: Solve for x
    x = 268,063,878,691.67/787,929.28
  6. Step 6: Final answer
    x = 340,213.12

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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.