Home / 382,020.49-527,191.40-238,863.52

Finding the Fourth Proportional to 382,020.49, 527,191.40 and 238,863.52

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Solution

The fourth proportional to 382,020.49, 527,191.40 and 238,863.52 is: 329,633.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,020.49 : 527,191.40 = 238,863.52 : x
  2. Step 2: Convert to fraction form
    382,020.49/527,191.40 = 238,863.52/x
  3. Step 3: Cross multiply
    382,020.49x = 527,191.40 × 238,863.52
  4. Step 4: Simplify right side
    382,020.49x = 125,926,791,005.43
  5. Step 5: Solve for x
    x = 125,926,791,005.43/382,020.49
  6. Step 6: Final answer
    x = 329,633.61

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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.