Home / 969,431.87-1,337,620.56-587,236.61

Finding the Fourth Proportional to 969,431.87, 1,337,620.56 and 587,236.61

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Solution

The fourth proportional to 969,431.87, 1,337,620.56 and 587,236.61 is: 810,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,431.87 : 1,337,620.56 = 587,236.61 : x
  2. Step 2: Convert to fraction form
    969,431.87/1,337,620.56 = 587,236.61/x
  3. Step 3: Cross multiply
    969,431.87x = 1,337,620.56 × 587,236.61
  4. Step 4: Simplify right side
    969,431.87x = 785,499,763,120.70
  5. Step 5: Solve for x
    x = 785,499,763,120.70/969,431.87
  6. Step 6: Final answer
    x = 810,268.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.