Home / 543,518.19-815,083.29-223,576.56

Finding the Fourth Proportional to 543,518.19, 815,083.29 and 223,576.56

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Solution

The fourth proportional to 543,518.19, 815,083.29 and 223,576.56 is: 335,285.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,518.19 : 815,083.29 = 223,576.56 : x
  2. Step 2: Convert to fraction form
    543,518.19/815,083.29 = 223,576.56/x
  3. Step 3: Cross multiply
    543,518.19x = 815,083.29 × 223,576.56
  4. Step 4: Simplify right side
    543,518.19x = 182,233,518,091.68
  5. Step 5: Solve for x
    x = 182,233,518,091.68/543,518.19
  6. Step 6: Final answer
    x = 335,285.04

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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.