Home / 382,117.18-527,279.78-220,947.82

Finding the Fourth Proportional to 382,117.18, 527,279.78 and 220,947.82

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Solution

The fourth proportional to 382,117.18, 527,279.78 and 220,947.82 is: 304,883.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,117.18 : 527,279.78 = 220,947.82 : x
  2. Step 2: Convert to fraction form
    382,117.18/527,279.78 = 220,947.82/x
  3. Step 3: Cross multiply
    382,117.18x = 527,279.78 × 220,947.82
  4. Step 4: Simplify right side
    382,117.18x = 116,501,317,921.08
  5. Step 5: Solve for x
    x = 116,501,317,921.08/382,117.18
  6. Step 6: Final answer
    x = 304,883.75

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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.