Home / 835,500.80-1,253,251.20-782,356.70

Finding the Fourth Proportional to 835,500.80, 1,253,251.20 and 782,356.70

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Solution

The fourth proportional to 835,500.80, 1,253,251.20 and 782,356.70 is: 1,173,535.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,500.80 : 1,253,251.20 = 782,356.70 : x
  2. Step 2: Convert to fraction form
    835,500.80/1,253,251.20 = 782,356.70/x
  3. Step 3: Cross multiply
    835,500.80x = 1,253,251.20 × 782,356.70
  4. Step 4: Simplify right side
    835,500.80x = 980,489,473,103.04
  5. Step 5: Solve for x
    x = 980,489,473,103.04/835,500.80
  6. Step 6: Final answer
    x = 1,173,535.05

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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.