Home / 543,949.46-815,924.04-169,972.46

Finding the Fourth Proportional to 543,949.46, 815,924.04 and 169,972.46

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Solution

The fourth proportional to 543,949.46, 815,924.04 and 169,972.46 is: 254,958.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,949.46 : 815,924.04 = 169,972.46 : x
  2. Step 2: Convert to fraction form
    543,949.46/815,924.04 = 169,972.46/x
  3. Step 3: Cross multiply
    543,949.46x = 815,924.04 × 169,972.46
  4. Step 4: Simplify right side
    543,949.46x = 138,684,616,251.94
  5. Step 5: Solve for x
    x = 138,684,616,251.94/543,949.46
  6. Step 6: Final answer
    x = 254,958.64

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Double scale
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Similar ratio
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1.5x scale

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.