Home / 404,861.60-607,176.30-120,540.26

Finding the Fourth Proportional to 404,861.60, 607,176.30 and 120,540.26

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Solution

The fourth proportional to 404,861.60, 607,176.30 and 120,540.26 is: 180,775.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,861.60 : 607,176.30 = 120,540.26 : x
  2. Step 2: Convert to fraction form
    404,861.60/607,176.30 = 120,540.26/x
  3. Step 3: Cross multiply
    404,861.60x = 607,176.30 × 120,540.26
  4. Step 4: Simplify right side
    404,861.60x = 73,189,189,067.84
  5. Step 5: Solve for x
    x = 73,189,189,067.84/404,861.60
  6. Step 6: Final answer
    x = 180,775.82

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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.