Home / 639,550.35-958,819.47-240,146.64

Finding the Fourth Proportional to 639,550.35, 958,819.47 and 240,146.64

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Solution

The fourth proportional to 639,550.35, 958,819.47 and 240,146.64 is: 360,029.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,550.35 : 958,819.47 = 240,146.64 : x
  2. Step 2: Convert to fraction form
    639,550.35/958,819.47 = 240,146.64/x
  3. Step 3: Cross multiply
    639,550.35x = 958,819.47 × 240,146.64
  4. Step 4: Simplify right side
    639,550.35x = 230,257,274,087.08
  5. Step 5: Solve for x
    x = 230,257,274,087.08/639,550.35
  6. Step 6: Final answer
    x = 360,029.94

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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.