Home / 324,046.28-447,077.03-209,392.58

Finding the Fourth Proportional to 324,046.28, 447,077.03 and 209,392.58

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Solution

The fourth proportional to 324,046.28, 447,077.03 and 209,392.58 is: 288,892.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,046.28 : 447,077.03 = 209,392.58 : x
  2. Step 2: Convert to fraction form
    324,046.28/447,077.03 = 209,392.58/x
  3. Step 3: Cross multiply
    324,046.28x = 447,077.03 × 209,392.58
  4. Step 4: Simplify right side
    324,046.28x = 93,614,612,770.44
  5. Step 5: Solve for x
    x = 93,614,612,770.44/324,046.28
  6. Step 6: Final answer
    x = 288,892.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.