Home / 1,770,739.20-2,650,610.76-959,107.86

Finding the Fourth Proportional to 1,770,739.20, 2,650,610.76 and 959,107.86

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Solution

The fourth proportional to 1,770,739.20, 2,650,610.76 and 959,107.86 is: 1,435,683.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,739.20 : 2,650,610.76 = 959,107.86 : x
  2. Step 2: Convert to fraction form
    1,770,739.20/2,650,610.76 = 959,107.86/x
  3. Step 3: Cross multiply
    1,770,739.20x = 2,650,610.76 × 959,107.86
  4. Step 4: Simplify right side
    1,770,739.20x = 2,542,221,613,716.57
  5. Step 5: Solve for x
    x = 2,542,221,613,716.57/1,770,739.20
  6. Step 6: Final answer
    x = 1,435,683.82

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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.