Home / 683,450.20-1,025,175.30-483,995.80

Finding the Fourth Proportional to 683,450.20, 1,025,175.30 and 483,995.80

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Solution

The fourth proportional to 683,450.20, 1,025,175.30 and 483,995.80 is: 725,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,450.20 : 1,025,175.30 = 483,995.80 : x
  2. Step 2: Convert to fraction form
    683,450.20/1,025,175.30 = 483,995.80/x
  3. Step 3: Cross multiply
    683,450.20x = 1,025,175.30 × 483,995.80
  4. Step 4: Simplify right side
    683,450.20x = 496,180,539,463.74
  5. Step 5: Solve for x
    x = 496,180,539,463.74/683,450.20
  6. Step 6: Final answer
    x = 725,993.70

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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.