Home / 639,211.44-958,567.97-239,634.20

Finding the Fourth Proportional to 639,211.44, 958,567.97 and 239,634.20

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Solution

The fourth proportional to 639,211.44, 958,567.97 and 239,634.20 is: 359,357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,211.44 : 958,567.97 = 239,634.20 : x
  2. Step 2: Convert to fraction form
    639,211.44/958,567.97 = 239,634.20/x
  3. Step 3: Cross multiply
    639,211.44x = 958,567.97 × 239,634.20
  4. Step 4: Simplify right side
    639,211.44x = 229,705,662,645.56
  5. Step 5: Solve for x
    x = 229,705,662,645.56/639,211.44
  6. Step 6: Final answer
    x = 359,357.87

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1.5x scale

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.