Home / 555,916.37-834,990.53-331,714.44

Finding the Fourth Proportional to 555,916.37, 834,990.53 and 331,714.44

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Solution

The fourth proportional to 555,916.37, 834,990.53 and 331,714.44 is: 498,237.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,916.37 : 834,990.53 = 331,714.44 : x
  2. Step 2: Convert to fraction form
    555,916.37/834,990.53 = 331,714.44/x
  3. Step 3: Cross multiply
    555,916.37x = 834,990.53 × 331,714.44
  4. Step 4: Simplify right side
    555,916.37x = 276,978,414,405.68
  5. Step 5: Solve for x
    x = 276,978,414,405.68/555,916.37
  6. Step 6: Final answer
    x = 498,237.56

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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.