Home / 547,046.66-820,487.91-173,021.06

Finding the Fourth Proportional to 547,046.66, 820,487.91 and 173,021.06

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Solution

The fourth proportional to 547,046.66, 820,487.91 and 173,021.06 is: 259,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,046.66 : 820,487.91 = 173,021.06 : x
  2. Step 2: Convert to fraction form
    547,046.66/820,487.91 = 173,021.06/x
  3. Step 3: Cross multiply
    547,046.66x = 820,487.91 × 173,021.06
  4. Step 4: Simplify right side
    547,046.66x = 141,961,690,605.43
  5. Step 5: Solve for x
    x = 141,961,690,605.43/547,046.66
  6. Step 6: Final answer
    x = 259,505.63

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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.