Home / 1,132,198.10-1,699,679.55-1,123,903.70

Finding the Fourth Proportional to 1,132,198.10, 1,699,679.55 and 1,123,903.70

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Solution

The fourth proportional to 1,132,198.10, 1,699,679.55 and 1,123,903.70 is: 1,687,227.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,198.10 : 1,699,679.55 = 1,123,903.70 : x
  2. Step 2: Convert to fraction form
    1,132,198.10/1,699,679.55 = 1,123,903.70/x
  3. Step 3: Cross multiply
    1,132,198.10x = 1,699,679.55 × 1,123,903.70
  4. Step 4: Simplify right side
    1,132,198.10x = 1,910,276,135,059.34
  5. Step 5: Solve for x
    x = 1,910,276,135,059.34/1,132,198.10
  6. Step 6: Final answer
    x = 1,687,227.82

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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.