Home / 459,836.41-689,553.53-231,991.85

Finding the Fourth Proportional to 459,836.41, 689,553.53 and 231,991.85

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Solution

The fourth proportional to 459,836.41, 689,553.53 and 231,991.85 is: 347,886.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,836.41 : 689,553.53 = 231,991.85 : x
  2. Step 2: Convert to fraction form
    459,836.41/689,553.53 = 231,991.85/x
  3. Step 3: Cross multiply
    459,836.41x = 689,553.53 × 231,991.85
  4. Step 4: Simplify right side
    459,836.41x = 159,970,795,650.96
  5. Step 5: Solve for x
    x = 159,970,795,650.96/459,836.41
  6. Step 6: Final answer
    x = 347,886.32

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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.