Home / 629,113.20-868,186.08-342,633.05

Finding the Fourth Proportional to 629,113.20, 868,186.08 and 342,633.05

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Solution

The fourth proportional to 629,113.20, 868,186.08 and 342,633.05 is: 472,838.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,113.20 : 868,186.08 = 342,633.05 : x
  2. Step 2: Convert to fraction form
    629,113.20/868,186.08 = 342,633.05/x
  3. Step 3: Cross multiply
    629,113.20x = 868,186.08 × 342,633.05
  4. Step 4: Simplify right side
    629,113.20x = 297,469,240,217.01
  5. Step 5: Solve for x
    x = 297,469,240,217.01/629,113.20
  6. Step 6: Final answer
    x = 472,838.97

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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.