Home / 654,156.20-981,614.94-275,049.44

Finding the Fourth Proportional to 654,156.20, 981,614.94 and 275,049.44

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Solution

The fourth proportional to 654,156.20, 981,614.94 and 275,049.44 is: 412,734.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,156.20 : 981,614.94 = 275,049.44 : x
  2. Step 2: Convert to fraction form
    654,156.20/981,614.94 = 275,049.44/x
  3. Step 3: Cross multiply
    654,156.20x = 981,614.94 × 275,049.44
  4. Step 4: Simplify right side
    654,156.20x = 269,992,639,542.63
  5. Step 5: Solve for x
    x = 269,992,639,542.63/654,156.20
  6. Step 6: Final answer
    x = 412,734.21

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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.