Home / 547,048.35-820,490.45-173,022.75

Finding the Fourth Proportional to 547,048.35, 820,490.45 and 173,022.75

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Solution

The fourth proportional to 547,048.35, 820,490.45 and 173,022.75 is: 259,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,048.35 : 820,490.45 = 173,022.75 : x
  2. Step 2: Convert to fraction form
    547,048.35/820,490.45 = 173,022.75/x
  3. Step 3: Cross multiply
    547,048.35x = 820,490.45 × 173,022.75
  4. Step 4: Simplify right side
    547,048.35x = 141,963,513,142.62
  5. Step 5: Solve for x
    x = 141,963,513,142.62/547,048.35
  6. Step 6: Final answer
    x = 259,508.16

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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.