Home / 629,569.16-868,780.17-343,083.09

Finding the Fourth Proportional to 629,569.16, 868,780.17 and 343,083.09

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Solution

The fourth proportional to 629,569.16, 868,780.17 and 343,083.09 is: 473,440.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,569.16 : 868,780.17 = 343,083.09 : x
  2. Step 2: Convert to fraction form
    629,569.16/868,780.17 = 343,083.09/x
  3. Step 3: Cross multiply
    629,569.16x = 868,780.17 × 343,083.09
  4. Step 4: Simplify right side
    629,569.16x = 298,063,785,254.33
  5. Step 5: Solve for x
    x = 298,063,785,254.33/629,569.16
  6. Step 6: Final answer
    x = 473,440.90

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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.