Home / 386,966.65-533,984.68-217,167.97

Finding the Fourth Proportional to 386,966.65, 533,984.68 and 217,167.97

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Solution

The fourth proportional to 386,966.65, 533,984.68 and 217,167.97 is: 299,675.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,966.65 : 533,984.68 = 217,167.97 : x
  2. Step 2: Convert to fraction form
    386,966.65/533,984.68 = 217,167.97/x
  3. Step 3: Cross multiply
    386,966.65x = 533,984.68 × 217,167.97
  4. Step 4: Simplify right side
    386,966.65x = 115,964,368,423.78
  5. Step 5: Solve for x
    x = 115,964,368,423.78/386,966.65
  6. Step 6: Final answer
    x = 299,675.36

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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.