Home / 1,608,761.99-2,220,228.46-911,166.89

Finding the Fourth Proportional to 1,608,761.99, 2,220,228.46 and 911,166.89

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Solution

The fourth proportional to 1,608,761.99, 2,220,228.46 and 911,166.89 is: 1,257,487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,761.99 : 2,220,228.46 = 911,166.89 : x
  2. Step 2: Convert to fraction form
    1,608,761.99/2,220,228.46 = 911,166.89/x
  3. Step 3: Cross multiply
    1,608,761.99x = 2,220,228.46 × 911,166.89
  4. Step 4: Simplify right side
    1,608,761.99x = 2,022,998,667,677.22
  5. Step 5: Solve for x
    x = 2,022,998,667,677.22/1,608,761.99
  6. Step 6: Final answer
    x = 1,257,487.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.