Home / 629,761.82-869,192.62-436,693.46

Finding the Fourth Proportional to 629,761.82, 869,192.62 and 436,693.46

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Solution

The fourth proportional to 629,761.82, 869,192.62 and 436,693.46 is: 602,721.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,761.82 : 869,192.62 = 436,693.46 : x
  2. Step 2: Convert to fraction form
    629,761.82/869,192.62 = 436,693.46/x
  3. Step 3: Cross multiply
    629,761.82x = 869,192.62 × 436,693.46
  4. Step 4: Simplify right side
    629,761.82x = 379,570,732,634.27
  5. Step 5: Solve for x
    x = 379,570,732,634.27/629,761.82
  6. Step 6: Final answer
    x = 602,721.09

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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.