Home / 996,736.80-1,495,105.20-681,808.80

Finding the Fourth Proportional to 996,736.80, 1,495,105.20 and 681,808.80

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Solution

The fourth proportional to 996,736.80, 1,495,105.20 and 681,808.80 is: 1,022,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,736.80 : 1,495,105.20 = 681,808.80 : x
  2. Step 2: Convert to fraction form
    996,736.80/1,495,105.20 = 681,808.80/x
  3. Step 3: Cross multiply
    996,736.80x = 1,495,105.20 × 681,808.80
  4. Step 4: Simplify right side
    996,736.80x = 1,019,375,882,285.76
  5. Step 5: Solve for x
    x = 1,019,375,882,285.76/996,736.80
  6. Step 6: Final answer
    x = 1,022,713.20

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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.