Home / 543,904.82-815,626.56-259,266.14

Finding the Fourth Proportional to 543,904.82, 815,626.56 and 259,266.14

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Solution

The fourth proportional to 543,904.82, 815,626.56 and 259,266.14 is: 388,789.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,904.82 : 815,626.56 = 259,266.14 : x
  2. Step 2: Convert to fraction form
    543,904.82/815,626.56 = 259,266.14/x
  3. Step 3: Cross multiply
    543,904.82x = 815,626.56 × 259,266.14
  4. Step 4: Simplify right side
    543,904.82x = 211,464,349,892.68
  5. Step 5: Solve for x
    x = 211,464,349,892.68/543,904.82
  6. Step 6: Final answer
    x = 388,789.26

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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.