Home / 416,629.68-574,949.16-225,643.92

Finding the Fourth Proportional to 416,629.68, 574,949.16 and 225,643.92

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Solution

The fourth proportional to 416,629.68, 574,949.16 and 225,643.92 is: 311,388.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,629.68 : 574,949.16 = 225,643.92 : x
  2. Step 2: Convert to fraction form
    416,629.68/574,949.16 = 225,643.92/x
  3. Step 3: Cross multiply
    416,629.68x = 574,949.16 × 225,643.92
  4. Step 4: Simplify right side
    416,629.68x = 129,733,782,263.11
  5. Step 5: Solve for x
    x = 129,733,782,263.11/416,629.68
  6. Step 6: Final answer
    x = 311,388.72

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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.