Home / 523,738.89-785,592.79-144,682.43

Finding the Fourth Proportional to 523,738.89, 785,592.79 and 144,682.43

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Solution

The fourth proportional to 523,738.89, 785,592.79 and 144,682.43 is: 217,019.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,738.89 : 785,592.79 = 144,682.43 : x
  2. Step 2: Convert to fraction form
    523,738.89/785,592.79 = 144,682.43/x
  3. Step 3: Cross multiply
    523,738.89x = 785,592.79 × 144,682.43
  4. Step 4: Simplify right side
    523,738.89x = 113,661,469,558.01
  5. Step 5: Solve for x
    x = 113,661,469,558.01/523,738.89
  6. Step 6: Final answer
    x = 217,019.34

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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.