Home / 397,518.03-548,589.51-227,784.96

Finding the Fourth Proportional to 397,518.03, 548,589.51 and 227,784.96

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Solution

The fourth proportional to 397,518.03, 548,589.51 and 227,784.96 is: 314,351.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,518.03 : 548,589.51 = 227,784.96 : x
  2. Step 2: Convert to fraction form
    397,518.03/548,589.51 = 227,784.96/x
  3. Step 3: Cross multiply
    397,518.03x = 548,589.51 × 227,784.96
  4. Step 4: Simplify right side
    397,518.03x = 124,960,439,591.77
  5. Step 5: Solve for x
    x = 124,960,439,591.77/397,518.03
  6. Step 6: Final answer
    x = 314,351.63

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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.