Home / 629,574.20-868,787.06-343,088.13

Finding the Fourth Proportional to 629,574.20, 868,787.06 and 343,088.13

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Solution

The fourth proportional to 629,574.20, 868,787.06 and 343,088.13 is: 473,447.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,574.20 : 868,787.06 = 343,088.13 : x
  2. Step 2: Convert to fraction form
    629,574.20/868,787.06 = 343,088.13/x
  3. Step 3: Cross multiply
    629,574.20x = 868,787.06 × 343,088.13
  4. Step 4: Simplify right side
    629,574.20x = 298,070,527,783.60
  5. Step 5: Solve for x
    x = 298,070,527,783.60/629,574.20
  6. Step 6: Final answer
    x = 473,447.81

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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.