Home / 629,097.39-868,178.97-357,190.61

Finding the Fourth Proportional to 629,097.39, 868,178.97 and 357,190.61

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Solution

The fourth proportional to 629,097.39, 868,178.97 and 357,190.61 is: 492,936.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,097.39 : 868,178.97 = 357,190.61 : x
  2. Step 2: Convert to fraction form
    629,097.39/868,178.97 = 357,190.61/x
  3. Step 3: Cross multiply
    629,097.39x = 868,178.97 × 357,190.61
  4. Step 4: Simplify right side
    629,097.39x = 310,105,371,542.58
  5. Step 5: Solve for x
    x = 310,105,371,542.58/629,097.39
  6. Step 6: Final answer
    x = 492,936.99

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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.