Home / 382,332.72-527,618.40-219,042.11

Finding the Fourth Proportional to 382,332.72, 527,618.40 and 219,042.11

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Solution

The fourth proportional to 382,332.72, 527,618.40 and 219,042.11 is: 302,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,332.72 : 527,618.40 = 219,042.11 : x
  2. Step 2: Convert to fraction form
    382,332.72/527,618.40 = 219,042.11/x
  3. Step 3: Cross multiply
    382,332.72x = 527,618.40 × 219,042.11
  4. Step 4: Simplify right side
    382,332.72x = 115,570,646,515.61
  5. Step 5: Solve for x
    x = 115,570,646,515.61/382,332.72
  6. Step 6: Final answer
    x = 302,277.68

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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.