Home / 382,470.28-527,837.69-229,515.14

Finding the Fourth Proportional to 382,470.28, 527,837.69 and 229,515.14

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Solution

The fourth proportional to 382,470.28, 527,837.69 and 229,515.14 is: 316,748.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,470.28 : 527,837.69 = 229,515.14 : x
  2. Step 2: Convert to fraction form
    382,470.28/527,837.69 = 229,515.14/x
  3. Step 3: Cross multiply
    382,470.28x = 527,837.69 × 229,515.14
  4. Step 4: Simplify right side
    382,470.28x = 121,146,743,211.01
  5. Step 5: Solve for x
    x = 121,146,743,211.01/382,470.28
  6. Step 6: Final answer
    x = 316,748.12

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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.