Home / 1,206,868.39-1,811,884.73-809,288.19

Finding the Fourth Proportional to 1,206,868.39, 1,811,884.73 and 809,288.19

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Solution

The fourth proportional to 1,206,868.39, 1,811,884.73 and 809,288.19 is: 1,214,993.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,868.39 : 1,811,884.73 = 809,288.19 : x
  2. Step 2: Convert to fraction form
    1,206,868.39/1,811,884.73 = 809,288.19/x
  3. Step 3: Cross multiply
    1,206,868.39x = 1,811,884.73 × 809,288.19
  4. Step 4: Simplify right side
    1,206,868.39x = 1,466,336,909,583.90
  5. Step 5: Solve for x
    x = 1,466,336,909,583.90/1,206,868.39
  6. Step 6: Final answer
    x = 1,214,993.22

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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.