Home / 419,812.47-629,721.54-153,463.41

Finding the Fourth Proportional to 419,812.47, 629,721.54 and 153,463.41

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Solution

The fourth proportional to 419,812.47, 629,721.54 and 153,463.41 is: 230,196.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,812.47 : 629,721.54 = 153,463.41 : x
  2. Step 2: Convert to fraction form
    419,812.47/629,721.54 = 153,463.41/x
  3. Step 3: Cross multiply
    419,812.47x = 629,721.54 × 153,463.41
  4. Step 4: Simplify right side
    419,812.47x = 96,639,214,878.85
  5. Step 5: Solve for x
    x = 96,639,214,878.85/419,812.47
  6. Step 6: Final answer
    x = 230,196.15

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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.