Home / 382,040.90-527,185.57-220,906.39

Finding the Fourth Proportional to 382,040.90, 527,185.57 and 220,906.39

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Solution

The fourth proportional to 382,040.90, 527,185.57 and 220,906.39 is: 304,832.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,040.90 : 527,185.57 = 220,906.39 : x
  2. Step 2: Convert to fraction form
    382,040.90/527,185.57 = 220,906.39/x
  3. Step 3: Cross multiply
    382,040.90x = 527,185.57 × 220,906.39
  4. Step 4: Simplify right side
    382,040.90x = 116,458,661,128.79
  5. Step 5: Solve for x
    x = 116,458,661,128.79/382,040.90
  6. Step 6: Final answer
    x = 304,832.97

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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.