Home / 2,088,560.20-3,132,840.30-668,662.60

Finding the Fourth Proportional to 2,088,560.20, 3,132,840.30 and 668,662.60

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Solution

The fourth proportional to 2,088,560.20, 3,132,840.30 and 668,662.60 is: 1,002,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088,560.20 : 3,132,840.30 = 668,662.60 : x
  2. Step 2: Convert to fraction form
    2,088,560.20/3,132,840.30 = 668,662.60/x
  3. Step 3: Cross multiply
    2,088,560.20x = 3,132,840.30 × 668,662.60
  4. Step 4: Simplify right side
    2,088,560.20x = 2,094,813,140,382.78
  5. Step 5: Solve for x
    x = 2,094,813,140,382.78/2,088,560.20
  6. Step 6: Final answer
    x = 1,002,993.90

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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.