Home / 557,537.10-769,467.15-331,183.50

Finding the Fourth Proportional to 557,537.10, 769,467.15 and 331,183.50

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Solution

The fourth proportional to 557,537.10, 769,467.15 and 331,183.50 is: 457,072.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,537.10 : 769,467.15 = 331,183.50 : x
  2. Step 2: Convert to fraction form
    557,537.10/769,467.15 = 331,183.50/x
  3. Step 3: Cross multiply
    557,537.10x = 769,467.15 × 331,183.50
  4. Step 4: Simplify right side
    557,537.10x = 254,834,823,872.03
  5. Step 5: Solve for x
    x = 254,834,823,872.03/557,537.10
  6. Step 6: Final answer
    x = 457,072.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.