Home / 543,795.23-815,775.77-277,410.43

Finding the Fourth Proportional to 543,795.23, 815,775.77 and 277,410.43

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Solution

The fourth proportional to 543,795.23, 815,775.77 and 277,410.43 is: 416,157.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,795.23 : 815,775.77 = 277,410.43 : x
  2. Step 2: Convert to fraction form
    543,795.23/815,775.77 = 277,410.43/x
  3. Step 3: Cross multiply
    543,795.23x = 815,775.77 × 277,410.43
  4. Step 4: Simplify right side
    543,795.23x = 226,304,707,139.28
  5. Step 5: Solve for x
    x = 226,304,707,139.28/543,795.23
  6. Step 6: Final answer
    x = 416,157.95

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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.