Home / 1,188,112.73-1,782,171.82-834,704.46

Finding the Fourth Proportional to 1,188,112.73, 1,782,171.82 and 834,704.46

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Solution

The fourth proportional to 1,188,112.73, 1,782,171.82 and 834,704.46 is: 1,252,058.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,112.73 : 1,782,171.82 = 834,704.46 : x
  2. Step 2: Convert to fraction form
    1,188,112.73/1,782,171.82 = 834,704.46/x
  3. Step 3: Cross multiply
    1,188,112.73x = 1,782,171.82 × 834,704.46
  4. Step 4: Simplify right side
    1,188,112.73x = 1,487,586,767,683.70
  5. Step 5: Solve for x
    x = 1,487,586,767,683.70/1,188,112.73
  6. Step 6: Final answer
    x = 1,252,058.61

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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.