Home / 3,557,505.72-5,336,239.42-861,829.57

Finding the Fourth Proportional to 3,557,505.72, 5,336,239.42 and 861,829.57

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Solution

The fourth proportional to 3,557,505.72, 5,336,239.42 and 861,829.57 is: 1,292,739.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,505.72 : 5,336,239.42 = 861,829.57 : x
  2. Step 2: Convert to fraction form
    3,557,505.72/5,336,239.42 = 861,829.57/x
  3. Step 3: Cross multiply
    3,557,505.72x = 5,336,239.42 × 861,829.57
  4. Step 4: Simplify right side
    3,557,505.72x = 4,598,928,924,755.65
  5. Step 5: Solve for x
    x = 4,598,928,924,755.65/3,557,505.72
  6. Step 6: Final answer
    x = 1,292,739.71

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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.