Home / 414,179.96-620,458.01-214,631.24

Finding the Fourth Proportional to 414,179.96, 620,458.01 and 214,631.24

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Solution

The fourth proportional to 414,179.96, 620,458.01 and 214,631.24 is: 321,526.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,179.96 : 620,458.01 = 214,631.24 : x
  2. Step 2: Convert to fraction form
    414,179.96/620,458.01 = 214,631.24/x
  3. Step 3: Cross multiply
    414,179.96x = 620,458.01 × 214,631.24
  4. Step 4: Simplify right side
    414,179.96x = 133,169,667,878.79
  5. Step 5: Solve for x
    x = 133,169,667,878.79/414,179.96
  6. Step 6: Final answer
    x = 321,526.11

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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.