Home / 403,738.42-605,610.09-123,255.70

Finding the Fourth Proportional to 403,738.42, 605,610.09 and 123,255.70

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Solution

The fourth proportional to 403,738.42, 605,610.09 and 123,255.70 is: 184,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,738.42 : 605,610.09 = 123,255.70 : x
  2. Step 2: Convert to fraction form
    403,738.42/605,610.09 = 123,255.70/x
  3. Step 3: Cross multiply
    403,738.42x = 605,610.09 × 123,255.70
  4. Step 4: Simplify right side
    403,738.42x = 74,644,895,570.01
  5. Step 5: Solve for x
    x = 74,644,895,570.01/403,738.42
  6. Step 6: Final answer
    x = 184,884.30

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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.