Home / 483,976.32-667,788.96-282,733.44

Finding the Fourth Proportional to 483,976.32, 667,788.96 and 282,733.44

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Solution

The fourth proportional to 483,976.32, 667,788.96 and 282,733.44 is: 390,114.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,976.32 : 667,788.96 = 282,733.44 : x
  2. Step 2: Convert to fraction form
    483,976.32/667,788.96 = 282,733.44/x
  3. Step 3: Cross multiply
    483,976.32x = 667,788.96 × 282,733.44
  4. Step 4: Simplify right side
    483,976.32x = 188,806,269,854.82
  5. Step 5: Solve for x
    x = 188,806,269,854.82/483,976.32
  6. Step 6: Final answer
    x = 390,114.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.