Home / 1,608,829.20-2,413,206.90-809,896.20

Finding the Fourth Proportional to 1,608,829.20, 2,413,206.90 and 809,896.20

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Solution

The fourth proportional to 1,608,829.20, 2,413,206.90 and 809,896.20 is: 1,214,825.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,829.20 : 2,413,206.90 = 809,896.20 : x
  2. Step 2: Convert to fraction form
    1,608,829.20/2,413,206.90 = 809,896.20/x
  3. Step 3: Cross multiply
    1,608,829.20x = 2,413,206.90 × 809,896.20
  4. Step 4: Simplify right side
    1,608,829.20x = 1,954,447,098,123.78
  5. Step 5: Solve for x
    x = 1,954,447,098,123.78/1,608,829.20
  6. Step 6: Final answer
    x = 1,214,825.72

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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.