Home / 414,040.90-620,618.39-214,160.04

Finding the Fourth Proportional to 414,040.90, 620,618.39 and 214,160.04

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Solution

The fourth proportional to 414,040.90, 620,618.39 and 214,160.04 is: 321,010.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,040.90 : 620,618.39 = 214,160.04 : x
  2. Step 2: Convert to fraction form
    414,040.90/620,618.39 = 214,160.04/x
  3. Step 3: Cross multiply
    414,040.90x = 620,618.39 × 214,160.04
  4. Step 4: Simplify right side
    414,040.90x = 132,911,659,227.14
  5. Step 5: Solve for x
    x = 132,911,659,227.14/414,040.90
  6. Step 6: Final answer
    x = 321,010.94

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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.