Home / 376,005.78-563,877.09-226,272.78

Finding the Fourth Proportional to 376,005.78, 563,877.09 and 226,272.78

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Solution

The fourth proportional to 376,005.78, 563,877.09 and 226,272.78 is: 339,329.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,005.78 : 563,877.09 = 226,272.78 : x
  2. Step 2: Convert to fraction form
    376,005.78/563,877.09 = 226,272.78/x
  3. Step 3: Cross multiply
    376,005.78x = 563,877.09 × 226,272.78
  4. Step 4: Simplify right side
    376,005.78x = 127,590,036,732.61
  5. Step 5: Solve for x
    x = 127,590,036,732.61/376,005.78
  6. Step 6: Final answer
    x = 339,329.99

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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.