Home / 382,116.18-527,278.40-220,946.82

Finding the Fourth Proportional to 382,116.18, 527,278.40 and 220,946.82

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Solution

The fourth proportional to 382,116.18, 527,278.40 and 220,946.82 is: 304,882.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,116.18 : 527,278.40 = 220,946.82 : x
  2. Step 2: Convert to fraction form
    382,116.18/527,278.40 = 220,946.82/x
  3. Step 3: Cross multiply
    382,116.18x = 527,278.40 × 220,946.82
  4. Step 4: Simplify right side
    382,116.18x = 116,500,485,734.69
  5. Step 5: Solve for x
    x = 116,500,485,734.69/382,116.18
  6. Step 6: Final answer
    x = 304,882.37

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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.