Home / 404,268.78-606,432.33-123,749.58

Finding the Fourth Proportional to 404,268.78, 606,432.33 and 123,749.58

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Solution

The fourth proportional to 404,268.78, 606,432.33 and 123,749.58 is: 185,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,268.78 : 606,432.33 = 123,749.58 : x
  2. Step 2: Convert to fraction form
    404,268.78/606,432.33 = 123,749.58/x
  3. Step 3: Cross multiply
    404,268.78x = 606,432.33 × 123,749.58
  4. Step 4: Simplify right side
    404,268.78x = 75,045,746,135.92
  5. Step 5: Solve for x
    x = 75,045,746,135.92/404,268.78
  6. Step 6: Final answer
    x = 185,633.30

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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.