Home / 495,929.87-743,272.19-268,216.41

Finding the Fourth Proportional to 495,929.87, 743,272.19 and 268,216.41

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Solution

The fourth proportional to 495,929.87, 743,272.19 and 268,216.41 is: 401,987.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,929.87 : 743,272.19 = 268,216.41 : x
  2. Step 2: Convert to fraction form
    495,929.87/743,272.19 = 268,216.41/x
  3. Step 3: Cross multiply
    495,929.87x = 743,272.19 × 268,216.41
  4. Step 4: Simplify right side
    495,929.87x = 199,357,799,383.73
  5. Step 5: Solve for x
    x = 199,357,799,383.73/495,929.87
  6. Step 6: Final answer
    x = 401,987.89

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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.