Home / 414,531.20-621,883.20-236,892.80

Finding the Fourth Proportional to 414,531.20, 621,883.20 and 236,892.80

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Solution

The fourth proportional to 414,531.20, 621,883.20 and 236,892.80 is: 355,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,531.20 : 621,883.20 = 236,892.80 : x
  2. Step 2: Convert to fraction form
    414,531.20/621,883.20 = 236,892.80/x
  3. Step 3: Cross multiply
    414,531.20x = 621,883.20 × 236,892.80
  4. Step 4: Simplify right side
    414,531.20x = 147,319,652,520.96
  5. Step 5: Solve for x
    x = 147,319,652,520.96/414,531.20
  6. Step 6: Final answer
    x = 355,388.58

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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.