Home / 781,183.58-1,171,775.36-741,292.70

Finding the Fourth Proportional to 781,183.58, 1,171,775.36 and 741,292.70

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Solution

The fourth proportional to 781,183.58, 1,171,775.36 and 741,292.70 is: 1,111,939.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,183.58 : 1,171,775.36 = 741,292.70 : x
  2. Step 2: Convert to fraction form
    781,183.58/1,171,775.36 = 741,292.70/x
  3. Step 3: Cross multiply
    781,183.58x = 1,171,775.36 × 741,292.70
  4. Step 4: Simplify right side
    781,183.58x = 868,628,520,407.87
  5. Step 5: Solve for x
    x = 868,628,520,407.87/781,183.58
  6. Step 6: Final answer
    x = 1,111,939.04

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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.