Home / 543,336.51-815,181.87-273,325.29

Finding the Fourth Proportional to 543,336.51, 815,181.87 and 273,325.29

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Solution

The fourth proportional to 543,336.51, 815,181.87 and 273,325.29 is: 410,077.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,336.51 : 815,181.87 = 273,325.29 : x
  2. Step 2: Convert to fraction form
    543,336.51/815,181.87 = 273,325.29/x
  3. Step 3: Cross multiply
    543,336.51x = 815,181.87 × 273,325.29
  4. Step 4: Simplify right side
    543,336.51x = 222,809,821,020.49
  5. Step 5: Solve for x
    x = 222,809,821,020.49/543,336.51
  6. Step 6: Final answer
    x = 410,077.03

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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.