Home / 629,575.17-868,788.45-343,089.09

Finding the Fourth Proportional to 629,575.17, 868,788.45 and 343,089.09

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Solution

The fourth proportional to 629,575.17, 868,788.45 and 343,089.09 is: 473,449.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,575.17 : 868,788.45 = 343,089.09 : x
  2. Step 2: Convert to fraction form
    629,575.17/868,788.45 = 343,089.09/x
  3. Step 3: Cross multiply
    629,575.17x = 868,788.45 × 343,089.09
  4. Step 4: Simplify right side
    629,575.17x = 298,071,838,713.01
  5. Step 5: Solve for x
    x = 298,071,838,713.01/629,575.17
  6. Step 6: Final answer
    x = 473,449.17

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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.