Home / 629,516.73-868,734.20-343,036.82

Finding the Fourth Proportional to 629,516.73, 868,734.20 and 343,036.82

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Solution

The fourth proportional to 629,516.73, 868,734.20 and 343,036.82 is: 473,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,516.73 : 868,734.20 = 343,036.82 : x
  2. Step 2: Convert to fraction form
    629,516.73/868,734.20 = 343,036.82/x
  3. Step 3: Cross multiply
    629,516.73x = 868,734.20 × 343,036.82
  4. Step 4: Simplify right side
    629,516.73x = 298,007,811,334.39
  5. Step 5: Solve for x
    x = 298,007,811,334.39/629,516.73
  6. Step 6: Final answer
    x = 473,391.41

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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.