Home / 1,103,286.89-1,522,452.92-619,757.60

Finding the Fourth Proportional to 1,103,286.89, 1,522,452.92 and 619,757.60

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Solution

The fourth proportional to 1,103,286.89, 1,522,452.92 and 619,757.60 is: 855,218.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,286.89 : 1,522,452.92 = 619,757.60 : x
  2. Step 2: Convert to fraction form
    1,103,286.89/1,522,452.92 = 619,757.60/x
  3. Step 3: Cross multiply
    1,103,286.89x = 1,522,452.92 × 619,757.60
  4. Step 4: Simplify right side
    1,103,286.89x = 943,551,757,101.14
  5. Step 5: Solve for x
    x = 943,551,757,101.14/1,103,286.89
  6. Step 6: Final answer
    x = 855,218.86

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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.