Home / 629,516.98-868,734.54-343,037.07

Finding the Fourth Proportional to 629,516.98, 868,734.54 and 343,037.07

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Solution

The fourth proportional to 629,516.98, 868,734.54 and 343,037.07 is: 473,391.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,516.98 : 868,734.54 = 343,037.07 : x
  2. Step 2: Convert to fraction form
    629,516.98/868,734.54 = 343,037.07/x
  3. Step 3: Cross multiply
    629,516.98x = 868,734.54 × 343,037.07
  4. Step 4: Simplify right side
    629,516.98x = 298,008,151,209.40
  5. Step 5: Solve for x
    x = 298,008,151,209.40/629,516.98
  6. Step 6: Final answer
    x = 473,391.76

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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.