Home / 993,233.70-1,489,850.55-394,337.70

Finding the Fourth Proportional to 993,233.70, 1,489,850.55 and 394,337.70

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Solution

The fourth proportional to 993,233.70, 1,489,850.55 and 394,337.70 is: 591,506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,233.70 : 1,489,850.55 = 394,337.70 : x
  2. Step 2: Convert to fraction form
    993,233.70/1,489,850.55 = 394,337.70/x
  3. Step 3: Cross multiply
    993,233.70x = 1,489,850.55 × 394,337.70
  4. Step 4: Simplify right side
    993,233.70x = 587,504,239,230.74
  5. Step 5: Solve for x
    x = 587,504,239,230.74/993,233.70
  6. Step 6: Final answer
    x = 591,506.55

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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.