Home / 809,219.31-1,116,643.11-446,619.81

Finding the Fourth Proportional to 809,219.31, 1,116,643.11 and 446,619.81

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Solution

The fourth proportional to 809,219.31, 1,116,643.11 and 446,619.81 is: 616,291.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,219.31 : 1,116,643.11 = 446,619.81 : x
  2. Step 2: Convert to fraction form
    809,219.31/1,116,643.11 = 446,619.81/x
  3. Step 3: Cross multiply
    809,219.31x = 1,116,643.11 × 446,619.81
  4. Step 4: Simplify right side
    809,219.31x = 498,714,933,626.01
  5. Step 5: Solve for x
    x = 498,714,933,626.01/809,219.31
  6. Step 6: Final answer
    x = 616,291.44

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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.