Home / 419,586.31-629,374.83-251,153.65

Finding the Fourth Proportional to 419,586.31, 629,374.83 and 251,153.65

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Solution

The fourth proportional to 419,586.31, 629,374.83 and 251,153.65 is: 376,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,586.31 : 629,374.83 = 251,153.65 : x
  2. Step 2: Convert to fraction form
    419,586.31/629,374.83 = 251,153.65/x
  3. Step 3: Cross multiply
    419,586.31x = 629,374.83 × 251,153.65
  4. Step 4: Simplify right side
    419,586.31x = 158,069,785,772.63
  5. Step 5: Solve for x
    x = 158,069,785,772.63/419,586.31
  6. Step 6: Final answer
    x = 376,727.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.