Home / 1,728,774.38-2,591,818.56-1,120,277.27

Finding the Fourth Proportional to 1,728,774.38, 2,591,818.56 and 1,120,277.27

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Solution

The fourth proportional to 1,728,774.38, 2,591,818.56 and 1,120,277.27 is: 1,679,545.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,774.38 : 2,591,818.56 = 1,120,277.27 : x
  2. Step 2: Convert to fraction form
    1,728,774.38/2,591,818.56 = 1,120,277.27/x
  3. Step 3: Cross multiply
    1,728,774.38x = 2,591,818.56 × 1,120,277.27
  4. Step 4: Simplify right side
    1,728,774.38x = 2,903,555,407,773.04
  5. Step 5: Solve for x
    x = 2,903,555,407,773.04/1,728,774.38
  6. Step 6: Final answer
    x = 1,679,545.61

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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.