Home / 461,109.24-636,234.48-279,916.56

Finding the Fourth Proportional to 461,109.24, 636,234.48 and 279,916.56

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Solution

The fourth proportional to 461,109.24, 636,234.48 and 279,916.56 is: 386,226.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,109.24 : 636,234.48 = 279,916.56 : x
  2. Step 2: Convert to fraction form
    461,109.24/636,234.48 = 279,916.56/x
  3. Step 3: Cross multiply
    461,109.24x = 636,234.48 × 279,916.56
  4. Step 4: Simplify right side
    461,109.24x = 178,092,566,994.99
  5. Step 5: Solve for x
    x = 178,092,566,994.99/461,109.24
  6. Step 6: Final answer
    x = 386,226.41

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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.