Home / 414,170.46-621,256.73-125,984.61

Finding the Fourth Proportional to 414,170.46, 621,256.73 and 125,984.61

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Solution

The fourth proportional to 414,170.46, 621,256.73 and 125,984.61 is: 188,977.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,170.46 : 621,256.73 = 125,984.61 : x
  2. Step 2: Convert to fraction form
    414,170.46/621,256.73 = 125,984.61/x
  3. Step 3: Cross multiply
    414,170.46x = 621,256.73 × 125,984.61
  4. Step 4: Simplify right side
    414,170.46x = 78,268,786,209.00
  5. Step 5: Solve for x
    x = 78,268,786,209.00/414,170.46
  6. Step 6: Final answer
    x = 188,977.23

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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.