Home / 683,816.80-1,025,725.20-329,522.80

Finding the Fourth Proportional to 683,816.80, 1,025,725.20 and 329,522.80

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Solution

The fourth proportional to 683,816.80, 1,025,725.20 and 329,522.80 is: 494,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,816.80 : 1,025,725.20 = 329,522.80 : x
  2. Step 2: Convert to fraction form
    683,816.80/1,025,725.20 = 329,522.80/x
  3. Step 3: Cross multiply
    683,816.80x = 1,025,725.20 × 329,522.80
  4. Step 4: Simplify right side
    683,816.80x = 337,999,839,934.56
  5. Step 5: Solve for x
    x = 337,999,839,934.56/683,816.80
  6. Step 6: Final answer
    x = 494,284.20

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Double scale
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Similar ratio
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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.