Home / 399,816.46-551,747.19-230,083.66

Finding the Fourth Proportional to 399,816.46, 551,747.19 and 230,083.66

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Solution

The fourth proportional to 399,816.46, 551,747.19 and 230,083.66 is: 317,515.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,816.46 : 551,747.19 = 230,083.66 : x
  2. Step 2: Convert to fraction form
    399,816.46/551,747.19 = 230,083.66/x
  3. Step 3: Cross multiply
    399,816.46x = 551,747.19 × 230,083.66
  4. Step 4: Simplify right side
    399,816.46x = 126,948,012,869.92
  5. Step 5: Solve for x
    x = 126,948,012,869.92/399,816.46
  6. Step 6: Final answer
    x = 317,515.72

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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.