Home / 1,161,205.68-1,741,918.14-451,288.20

Finding the Fourth Proportional to 1,161,205.68, 1,741,918.14 and 451,288.20

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Solution

The fourth proportional to 1,161,205.68, 1,741,918.14 and 451,288.20 is: 676,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,205.68 : 1,741,918.14 = 451,288.20 : x
  2. Step 2: Convert to fraction form
    1,161,205.68/1,741,918.14 = 451,288.20/x
  3. Step 3: Cross multiply
    1,161,205.68x = 1,741,918.14 × 451,288.20
  4. Step 4: Simplify right side
    1,161,205.68x = 786,107,101,947.95
  5. Step 5: Solve for x
    x = 786,107,101,947.95/1,161,205.68
  6. Step 6: Final answer
    x = 676,974.90

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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.