Home / 1,328,487.70-1,993,023.15-654,891.70

Finding the Fourth Proportional to 1,328,487.70, 1,993,023.15 and 654,891.70

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Solution

The fourth proportional to 1,328,487.70, 1,993,023.15 and 654,891.70 is: 982,481.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,487.70 : 1,993,023.15 = 654,891.70 : x
  2. Step 2: Convert to fraction form
    1,328,487.70/1,993,023.15 = 654,891.70/x
  3. Step 3: Cross multiply
    1,328,487.70x = 1,993,023.15 × 654,891.70
  4. Step 4: Simplify right side
    1,328,487.70x = 1,305,214,318,842.85
  5. Step 5: Solve for x
    x = 1,305,214,318,842.85/1,328,487.70
  6. Step 6: Final answer
    x = 982,481.30

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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.