Home / 459,836.53-689,553.72-231,991.97

Finding the Fourth Proportional to 459,836.53, 689,553.72 and 231,991.97

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Solution

The fourth proportional to 459,836.53, 689,553.72 and 231,991.97 is: 347,886.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,836.53 : 689,553.72 = 231,991.97 : x
  2. Step 2: Convert to fraction form
    459,836.53/689,553.72 = 231,991.97/x
  3. Step 3: Cross multiply
    459,836.53x = 689,553.72 × 231,991.97
  4. Step 4: Simplify right side
    459,836.53x = 159,970,925,923.63
  5. Step 5: Solve for x
    x = 159,970,925,923.63/459,836.53
  6. Step 6: Final answer
    x = 347,886.51

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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.