Home / 1,334,200.38-1,998,789.39-659,491.89

Finding the Fourth Proportional to 1,334,200.38, 1,998,789.39 and 659,491.89

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Solution

The fourth proportional to 1,334,200.38, 1,998,789.39 and 659,491.89 is: 987,996.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,200.38 : 1,998,789.39 = 659,491.89 : x
  2. Step 2: Convert to fraction form
    1,334,200.38/1,998,789.39 = 659,491.89/x
  3. Step 3: Cross multiply
    1,334,200.38x = 1,998,789.39 × 659,491.89
  4. Step 4: Simplify right side
    1,334,200.38x = 1,318,185,392,523.05
  5. Step 5: Solve for x
    x = 1,318,185,392,523.05/1,334,200.38
  6. Step 6: Final answer
    x = 987,996.57

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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.