Home / 419,113.14-628,399.08-179,383.56

Finding the Fourth Proportional to 419,113.14, 628,399.08 and 179,383.56

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Solution

The fourth proportional to 419,113.14, 628,399.08 and 179,383.56 is: 268,959.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,113.14 : 628,399.08 = 179,383.56 : x
  2. Step 2: Convert to fraction form
    419,113.14/628,399.08 = 179,383.56/x
  3. Step 3: Cross multiply
    419,113.14x = 628,399.08 × 179,383.56
  4. Step 4: Simplify right side
    419,113.14x = 112,724,464,071.13
  5. Step 5: Solve for x
    x = 112,724,464,071.13/419,113.14
  6. Step 6: Final answer
    x = 268,959.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.