Home / 543,924.45-815,763.69-206,844.98

Finding the Fourth Proportional to 543,924.45, 815,763.69 and 206,844.98

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Solution

The fourth proportional to 543,924.45, 815,763.69 and 206,844.98 is: 310,220.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,924.45 : 815,763.69 = 206,844.98 : x
  2. Step 2: Convert to fraction form
    543,924.45/815,763.69 = 206,844.98/x
  3. Step 3: Cross multiply
    543,924.45x = 815,763.69 × 206,844.98
  4. Step 4: Simplify right side
    543,924.45x = 168,736,620,063.96
  5. Step 5: Solve for x
    x = 168,736,620,063.96/543,924.45
  6. Step 6: Final answer
    x = 310,220.69

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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.