Home / 655,154.12-982,736.65-205,865.04

Finding the Fourth Proportional to 655,154.12, 982,736.65 and 205,865.04

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Solution

The fourth proportional to 655,154.12, 982,736.65 and 205,865.04 is: 308,799.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,154.12 : 982,736.65 = 205,865.04 : x
  2. Step 2: Convert to fraction form
    655,154.12/982,736.65 = 205,865.04/x
  3. Step 3: Cross multiply
    655,154.12x = 982,736.65 × 205,865.04
  4. Step 4: Simplify right side
    655,154.12x = 202,311,123,704.31
  5. Step 5: Solve for x
    x = 202,311,123,704.31/655,154.12
  6. Step 6: Final answer
    x = 308,799.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.