Home / 629,049.12-868,103.52-342,585.12

Finding the Fourth Proportional to 629,049.12, 868,103.52 and 342,585.12

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Solution

The fourth proportional to 629,049.12, 868,103.52 and 342,585.12 is: 472,776.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,049.12 : 868,103.52 = 342,585.12 : x
  2. Step 2: Convert to fraction form
    629,049.12/868,103.52 = 342,585.12/x
  3. Step 3: Cross multiply
    629,049.12x = 868,103.52 × 342,585.12
  4. Step 4: Simplify right side
    629,049.12x = 297,399,348,571.62
  5. Step 5: Solve for x
    x = 297,399,348,571.62/629,049.12
  6. Step 6: Final answer
    x = 472,776.03

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.