Home / 809,321.20-1,116,863.44-446,745.28

Finding the Fourth Proportional to 809,321.20, 1,116,863.44 and 446,745.28

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Solution

The fourth proportional to 809,321.20, 1,116,863.44 and 446,745.28 is: 616,508.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,321.20 : 1,116,863.44 = 446,745.28 : x
  2. Step 2: Convert to fraction form
    809,321.20/1,116,863.44 = 446,745.28/x
  3. Step 3: Cross multiply
    809,321.20x = 1,116,863.44 × 446,745.28
  4. Step 4: Simplify right side
    809,321.20x = 498,953,470,224.56
  5. Step 5: Solve for x
    x = 498,953,470,224.56/809,321.20
  6. Step 6: Final answer
    x = 616,508.59

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1.5x scale

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.