Home / 394,929.91-592,031.42-214,752.11

Finding the Fourth Proportional to 394,929.91, 592,031.42 and 214,752.11

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Solution

The fourth proportional to 394,929.91, 592,031.42 and 214,752.11 is: 321,930.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,929.91 : 592,031.42 = 214,752.11 : x
  2. Step 2: Convert to fraction form
    394,929.91/592,031.42 = 214,752.11/x
  3. Step 3: Cross multiply
    394,929.91x = 592,031.42 × 214,752.11
  4. Step 4: Simplify right side
    394,929.91x = 127,139,995,557.54
  5. Step 5: Solve for x
    x = 127,139,995,557.54/394,929.91
  6. Step 6: Final answer
    x = 321,930.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.