Home / 629,588.09-868,832.22-343,108.41

Finding the Fourth Proportional to 629,588.09, 868,832.22 and 343,108.41

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Solution

The fourth proportional to 629,588.09, 868,832.22 and 343,108.41 is: 473,489.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,588.09 : 868,832.22 = 343,108.41 : x
  2. Step 2: Convert to fraction form
    629,588.09/868,832.22 = 343,108.41/x
  3. Step 3: Cross multiply
    629,588.09x = 868,832.22 × 343,108.41
  4. Step 4: Simplify right side
    629,588.09x = 298,103,639,589.51
  5. Step 5: Solve for x
    x = 298,103,639,589.51/629,588.09
  6. Step 6: Final answer
    x = 473,489.96

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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.