Home / 1,240,919.80-1,861,725.30-609,854.20

Finding the Fourth Proportional to 1,240,919.80, 1,861,725.30 and 609,854.20

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Solution

The fourth proportional to 1,240,919.80, 1,861,725.30 and 609,854.20 is: 914,951.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,919.80 : 1,861,725.30 = 609,854.20 : x
  2. Step 2: Convert to fraction form
    1,240,919.80/1,861,725.30 = 609,854.20/x
  3. Step 3: Cross multiply
    1,240,919.80x = 1,861,725.30 × 609,854.20
  4. Step 4: Simplify right side
    1,240,919.80x = 1,135,380,993,451.26
  5. Step 5: Solve for x
    x = 1,135,380,993,451.26/1,240,919.80
  6. Step 6: Final answer
    x = 914,951.15

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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.