Home / 422,829.24-634,182.36-123,229.38

Finding the Fourth Proportional to 422,829.24, 634,182.36 and 123,229.38

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Solution

The fourth proportional to 422,829.24, 634,182.36 and 123,229.38 is: 184,826.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,829.24 : 634,182.36 = 123,229.38 : x
  2. Step 2: Convert to fraction form
    422,829.24/634,182.36 = 123,229.38/x
  3. Step 3: Cross multiply
    422,829.24x = 634,182.36 × 123,229.38
  4. Step 4: Simplify right side
    422,829.24x = 78,149,899,029.74
  5. Step 5: Solve for x
    x = 78,149,899,029.74/422,829.24
  6. Step 6: Final answer
    x = 184,826.15

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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.