Home / 382,049.20-527,218.32-212,283.76

Finding the Fourth Proportional to 382,049.20, 527,218.32 and 212,283.76

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Solution

The fourth proportional to 382,049.20, 527,218.32 and 212,283.76 is: 292,946.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,049.20 : 527,218.32 = 212,283.76 : x
  2. Step 2: Convert to fraction form
    382,049.20/527,218.32 = 212,283.76/x
  3. Step 3: Cross multiply
    382,049.20x = 527,218.32 × 212,283.76
  4. Step 4: Simplify right side
    382,049.20x = 111,919,887,310.48
  5. Step 5: Solve for x
    x = 111,919,887,310.48/382,049.20
  6. Step 6: Final answer
    x = 292,946.27

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1.5x scale

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.