Home / 386,584.38-533,719.73-252,681.66

Finding the Fourth Proportional to 386,584.38, 533,719.73 and 252,681.66

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Solution

The fourth proportional to 386,584.38, 533,719.73 and 252,681.66 is: 348,853.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,584.38 : 533,719.73 = 252,681.66 : x
  2. Step 2: Convert to fraction form
    386,584.38/533,719.73 = 252,681.66/x
  3. Step 3: Cross multiply
    386,584.38x = 533,719.73 × 252,681.66
  4. Step 4: Simplify right side
    386,584.38x = 134,861,187,351.15
  5. Step 5: Solve for x
    x = 134,861,187,351.15/386,584.38
  6. Step 6: Final answer
    x = 348,853.17

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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.