Home / 382,295.25-527,568.05-212,529.38

Finding the Fourth Proportional to 382,295.25, 527,568.05 and 212,529.38

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Solution

The fourth proportional to 382,295.25, 527,568.05 and 212,529.38 is: 293,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,295.25 : 527,568.05 = 212,529.38 : x
  2. Step 2: Convert to fraction form
    382,295.25/527,568.05 = 212,529.38/x
  3. Step 3: Cross multiply
    382,295.25x = 527,568.05 × 212,529.38
  4. Step 4: Simplify right side
    382,295.25x = 112,123,708,467.79
  5. Step 5: Solve for x
    x = 112,123,708,467.79/382,295.25
  6. Step 6: Final answer
    x = 293,290.88

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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.