Home / 966,152.80-1,449,229.20-434,711.80

Finding the Fourth Proportional to 966,152.80, 1,449,229.20 and 434,711.80

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Solution

The fourth proportional to 966,152.80, 1,449,229.20 and 434,711.80 is: 652,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,152.80 : 1,449,229.20 = 434,711.80 : x
  2. Step 2: Convert to fraction form
    966,152.80/1,449,229.20 = 434,711.80/x
  3. Step 3: Cross multiply
    966,152.80x = 1,449,229.20 × 434,711.80
  4. Step 4: Simplify right side
    966,152.80x = 629,997,034,144.56
  5. Step 5: Solve for x
    x = 629,997,034,144.56/966,152.80
  6. Step 6: Final answer
    x = 652,067.70

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Double scale
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Similar ratio
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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.