Home / 711,744.05-1,067,628.42-262,233.54

Finding the Fourth Proportional to 711,744.05, 1,067,628.42 and 262,233.54

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Solution

The fourth proportional to 711,744.05, 1,067,628.42 and 262,233.54 is: 393,354.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,744.05 : 1,067,628.42 = 262,233.54 : x
  2. Step 2: Convert to fraction form
    711,744.05/1,067,628.42 = 262,233.54/x
  3. Step 3: Cross multiply
    711,744.05x = 1,067,628.42 × 262,233.54
  4. Step 4: Simplify right side
    711,744.05x = 279,967,979,981.21
  5. Step 5: Solve for x
    x = 279,967,979,981.21/711,744.05
  6. Step 6: Final answer
    x = 393,354.86

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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.