Home / 419,122.04-628,814.22-269,531.24

Finding the Fourth Proportional to 419,122.04, 628,814.22 and 269,531.24

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Solution

The fourth proportional to 419,122.04, 628,814.22 and 269,531.24 is: 404,381.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,122.04 : 628,814.22 = 269,531.24 : x
  2. Step 2: Convert to fraction form
    419,122.04/628,814.22 = 269,531.24/x
  3. Step 3: Cross multiply
    419,122.04x = 628,814.22 × 269,531.24
  4. Step 4: Simplify right side
    419,122.04x = 169,485,076,446.23
  5. Step 5: Solve for x
    x = 169,485,076,446.23/419,122.04
  6. Step 6: Final answer
    x = 404,381.21

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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.