Home / 1,059,169.44-1,588,765.26-419,628.78

Finding the Fourth Proportional to 1,059,169.44, 1,588,765.26 and 419,628.78

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Solution

The fourth proportional to 1,059,169.44, 1,588,765.26 and 419,628.78 is: 629,447.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,169.44 : 1,588,765.26 = 419,628.78 : x
  2. Step 2: Convert to fraction form
    1,059,169.44/1,588,765.26 = 419,628.78/x
  3. Step 3: Cross multiply
    1,059,169.44x = 1,588,765.26 × 419,628.78
  4. Step 4: Simplify right side
    1,059,169.44x = 666,691,627,760.18
  5. Step 5: Solve for x
    x = 666,691,627,760.18/1,059,169.44
  6. Step 6: Final answer
    x = 629,447.57

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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.