Home / 839,244.20-1,259,391.18-340,608.20

Finding the Fourth Proportional to 839,244.20, 1,259,391.18 and 340,608.20

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Solution

The fourth proportional to 839,244.20, 1,259,391.18 and 340,608.20 is: 511,125.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,244.20 : 1,259,391.18 = 340,608.20 : x
  2. Step 2: Convert to fraction form
    839,244.20/1,259,391.18 = 340,608.20/x
  3. Step 3: Cross multiply
    839,244.20x = 1,259,391.18 × 340,608.20
  4. Step 4: Simplify right side
    839,244.20x = 428,958,962,915.68
  5. Step 5: Solve for x
    x = 428,958,962,915.68/839,244.20
  6. Step 6: Final answer
    x = 511,125.32

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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.