Home / 839,906.20-1,259,859.30-341,627.80

Finding the Fourth Proportional to 839,906.20, 1,259,859.30 and 341,627.80

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Solution

The fourth proportional to 839,906.20, 1,259,859.30 and 341,627.80 is: 512,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,906.20 : 1,259,859.30 = 341,627.80 : x
  2. Step 2: Convert to fraction form
    839,906.20/1,259,859.30 = 341,627.80/x
  3. Step 3: Cross multiply
    839,906.20x = 1,259,859.30 × 341,627.80
  4. Step 4: Simplify right side
    839,906.20x = 430,402,960,968.54
  5. Step 5: Solve for x
    x = 430,402,960,968.54/839,906.20
  6. Step 6: Final answer
    x = 512,441.70

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Double scale
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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.