Home / 1,229,188.20-1,843,782.30-750,891.30

Finding the Fourth Proportional to 1,229,188.20, 1,843,782.30 and 750,891.30

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Solution

The fourth proportional to 1,229,188.20, 1,843,782.30 and 750,891.30 is: 1,126,336.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,188.20 : 1,843,782.30 = 750,891.30 : x
  2. Step 2: Convert to fraction form
    1,229,188.20/1,843,782.30 = 750,891.30/x
  3. Step 3: Cross multiply
    1,229,188.20x = 1,843,782.30 × 750,891.30
  4. Step 4: Simplify right side
    1,229,188.20x = 1,384,480,088,163.99
  5. Step 5: Solve for x
    x = 1,384,480,088,163.99/1,229,188.20
  6. Step 6: Final answer
    x = 1,126,336.95

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Double scale
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Similar ratio
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1.5x scale

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.