Home / 1,099,793.28-1,517,642.88-646,996.80

Finding the Fourth Proportional to 1,099,793.28, 1,517,642.88 and 646,996.80

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Solution

The fourth proportional to 1,099,793.28, 1,517,642.88 and 646,996.80 is: 892,813.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,793.28 : 1,517,642.88 = 646,996.80 : x
  2. Step 2: Convert to fraction form
    1,099,793.28/1,517,642.88 = 646,996.80/x
  3. Step 3: Cross multiply
    1,099,793.28x = 1,517,642.88 × 646,996.80
  4. Step 4: Simplify right side
    1,099,793.28x = 981,910,086,902.78
  5. Step 5: Solve for x
    x = 981,910,086,902.78/1,099,793.28
  6. Step 6: Final answer
    x = 892,813.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.