Home / 386,569.38-533,494.97-214,519.92

Finding the Fourth Proportional to 386,569.38, 533,494.97 and 214,519.92

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Solution

The fourth proportional to 386,569.38, 533,494.97 and 214,519.92 is: 296,053.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,569.38 : 533,494.97 = 214,519.92 : x
  2. Step 2: Convert to fraction form
    386,569.38/533,494.97 = 214,519.92/x
  3. Step 3: Cross multiply
    386,569.38x = 533,494.97 × 214,519.92
  4. Step 4: Simplify right side
    386,569.38x = 114,445,297,212.20
  5. Step 5: Solve for x
    x = 114,445,297,212.20/386,569.38
  6. Step 6: Final answer
    x = 296,053.71

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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.