Home / 331,569.70-496,771.35-272,083.30

Finding the Fourth Proportional to 331,569.70, 496,771.35 and 272,083.30

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Solution

The fourth proportional to 331,569.70, 496,771.35 and 272,083.30 is: 407,646.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,569.70 : 496,771.35 = 272,083.30 : x
  2. Step 2: Convert to fraction form
    331,569.70/496,771.35 = 272,083.30/x
  3. Step 3: Cross multiply
    331,569.70x = 496,771.35 × 272,083.30
  4. Step 4: Simplify right side
    331,569.70x = 135,163,188,253.46
  5. Step 5: Solve for x
    x = 135,163,188,253.46/331,569.70
  6. Step 6: Final answer
    x = 407,646.38

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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.