Home / 1,208,179.93-1,815,591.53-1,129,183.44

Finding the Fourth Proportional to 1,208,179.93, 1,815,591.53 and 1,129,183.44

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Solution

The fourth proportional to 1,208,179.93, 1,815,591.53 and 1,129,183.44 is: 1,696,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,179.93 : 1,815,591.53 = 1,129,183.44 : x
  2. Step 2: Convert to fraction form
    1,208,179.93/1,815,591.53 = 1,129,183.44/x
  3. Step 3: Cross multiply
    1,208,179.93x = 1,815,591.53 × 1,129,183.44
  4. Step 4: Simplify right side
    1,208,179.93x = 2,050,135,898,253.68
  5. Step 5: Solve for x
    x = 2,050,135,898,253.68/1,208,179.93
  6. Step 6: Final answer
    x = 1,696,879.61

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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.