Home / 284,005.48-426,315.31-252,616.56

Finding the Fourth Proportional to 284,005.48, 426,315.31 and 252,616.56

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Solution

The fourth proportional to 284,005.48, 426,315.31 and 252,616.56 is: 379,197.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,005.48 : 426,315.31 = 252,616.56 : x
  2. Step 2: Convert to fraction form
    284,005.48/426,315.31 = 252,616.56/x
  3. Step 3: Cross multiply
    284,005.48x = 426,315.31 × 252,616.56
  4. Step 4: Simplify right side
    284,005.48x = 107,694,306,455.99
  5. Step 5: Solve for x
    x = 107,694,306,455.99/284,005.48
  6. Step 6: Final answer
    x = 379,197.99

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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.