Home / 382,013.79-527,243.97-220,966.74

Finding the Fourth Proportional to 382,013.79, 527,243.97 and 220,966.74

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Solution

The fourth proportional to 382,013.79, 527,243.97 and 220,966.74 is: 304,971.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,013.79 : 527,243.97 = 220,966.74 : x
  2. Step 2: Convert to fraction form
    382,013.79/527,243.97 = 220,966.74/x
  3. Step 3: Cross multiply
    382,013.79x = 527,243.97 × 220,966.74
  4. Step 4: Simplify right side
    382,013.79x = 116,503,381,235.56
  5. Step 5: Solve for x
    x = 116,503,381,235.56/382,013.79
  6. Step 6: Final answer
    x = 304,971.66

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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.