Home / 629,656.20-868,944.51-343,194.84

Finding the Fourth Proportional to 629,656.20, 868,944.51 and 343,194.84

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Solution

The fourth proportional to 629,656.20, 868,944.51 and 343,194.84 is: 473,619.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,656.20 : 868,944.51 = 343,194.84 : x
  2. Step 2: Convert to fraction form
    629,656.20/868,944.51 = 343,194.84/x
  3. Step 3: Cross multiply
    629,656.20x = 868,944.51 × 343,194.84
  4. Step 4: Simplify right side
    629,656.20x = 298,217,272,078.33
  5. Step 5: Solve for x
    x = 298,217,272,078.33/629,656.20
  6. Step 6: Final answer
    x = 473,619.21

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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.