Home / 881,436.57-1,216,382.99-479,028.57

Finding the Fourth Proportional to 881,436.57, 1,216,382.99 and 479,028.57

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Solution

The fourth proportional to 881,436.57, 1,216,382.99 and 479,028.57 is: 661,059.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,436.57 : 1,216,382.99 = 479,028.57 : x
  2. Step 2: Convert to fraction form
    881,436.57/1,216,382.99 = 479,028.57/x
  3. Step 3: Cross multiply
    881,436.57x = 1,216,382.99 × 479,028.57
  4. Step 4: Simplify right side
    881,436.57x = 582,682,201,876.88
  5. Step 5: Solve for x
    x = 582,682,201,876.88/881,436.57
  6. Step 6: Final answer
    x = 661,059.71

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Double scale
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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.