Home / 629,816.80-944,732.40-156,503.20

Finding the Fourth Proportional to 629,816.80, 944,732.40 and 156,503.20

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Solution

The fourth proportional to 629,816.80, 944,732.40 and 156,503.20 is: 234,756.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,816.80 : 944,732.40 = 156,503.20 : x
  2. Step 2: Convert to fraction form
    629,816.80/944,732.40 = 156,503.20/x
  3. Step 3: Cross multiply
    629,816.80x = 944,732.40 × 156,503.20
  4. Step 4: Simplify right side
    629,816.80x = 147,853,643,743.68
  5. Step 5: Solve for x
    x = 147,853,643,743.68/629,816.80
  6. Step 6: Final answer
    x = 234,756.59

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1.5x scale

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.