Home / 416,399.06-574,631.01-225,412.61

Finding the Fourth Proportional to 416,399.06, 574,631.01 and 225,412.61

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Solution

The fourth proportional to 416,399.06, 574,631.01 and 225,412.61 is: 311,069.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,399.06 : 574,631.01 = 225,412.61 : x
  2. Step 2: Convert to fraction form
    416,399.06/574,631.01 = 225,412.61/x
  3. Step 3: Cross multiply
    416,399.06x = 574,631.01 × 225,412.61
  4. Step 4: Simplify right side
    416,399.06x = 129,529,072,877.88
  5. Step 5: Solve for x
    x = 129,529,072,877.88/416,399.06
  6. Step 6: Final answer
    x = 311,069.56

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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.