Home / 619,904.52-929,791.17-199,147.59

Finding the Fourth Proportional to 619,904.52, 929,791.17 and 199,147.59

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Solution

The fourth proportional to 619,904.52, 929,791.17 and 199,147.59 is: 298,700.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,904.52 : 929,791.17 = 199,147.59 : x
  2. Step 2: Convert to fraction form
    619,904.52/929,791.17 = 199,147.59/x
  3. Step 3: Cross multiply
    619,904.52x = 929,791.17 × 199,147.59
  4. Step 4: Simplify right side
    619,904.52x = 185,165,670,708.78
  5. Step 5: Solve for x
    x = 185,165,670,708.78/619,904.52
  6. Step 6: Final answer
    x = 298,700.31

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1.5x scale

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.