Home / 416,629.88-574,949.58-225,643.64

Finding the Fourth Proportional to 416,629.88, 574,949.58 and 225,643.64

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Solution

The fourth proportional to 416,629.88, 574,949.58 and 225,643.64 is: 311,388.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,629.88 : 574,949.58 = 225,643.64 : x
  2. Step 2: Convert to fraction form
    416,629.88/574,949.58 = 225,643.64/x
  3. Step 3: Cross multiply
    416,629.88x = 574,949.58 × 225,643.64
  4. Step 4: Simplify right side
    416,629.88x = 129,733,716,047.67
  5. Step 5: Solve for x
    x = 129,733,716,047.67/416,629.88
  6. Step 6: Final answer
    x = 311,388.41

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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.