Home / 629,001.66-868,013.70-357,067.17

Finding the Fourth Proportional to 629,001.66, 868,013.70 and 357,067.17

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Solution

The fourth proportional to 629,001.66, 868,013.70 and 357,067.17 is: 492,747.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,001.66 : 868,013.70 = 357,067.17 : x
  2. Step 2: Convert to fraction form
    629,001.66/868,013.70 = 357,067.17/x
  3. Step 3: Cross multiply
    629,001.66x = 868,013.70 × 357,067.17
  4. Step 4: Simplify right side
    629,001.66x = 309,939,195,380.23
  5. Step 5: Solve for x
    x = 309,939,195,380.23/629,001.66
  6. Step 6: Final answer
    x = 492,747.82

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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.