Home / 422,844.03-634,359.33-123,348.06

Finding the Fourth Proportional to 422,844.03, 634,359.33 and 123,348.06

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Solution

The fourth proportional to 422,844.03, 634,359.33 and 123,348.06 is: 185,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,844.03 : 634,359.33 = 123,348.06 : x
  2. Step 2: Convert to fraction form
    422,844.03/634,359.33 = 123,348.06/x
  3. Step 3: Cross multiply
    422,844.03x = 634,359.33 × 123,348.06
  4. Step 4: Simplify right side
    422,844.03x = 78,246,992,698.40
  5. Step 5: Solve for x
    x = 78,246,992,698.40/422,844.03
  6. Step 6: Final answer
    x = 185,049.30

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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.