Home / 809,320.62-1,116,856.16-446,744.60

Finding the Fourth Proportional to 809,320.62, 1,116,856.16 and 446,744.60

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Solution

The fourth proportional to 809,320.62, 1,116,856.16 and 446,744.60 is: 616,504.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,320.62 : 1,116,856.16 = 446,744.60 : x
  2. Step 2: Convert to fraction form
    809,320.62/1,116,856.16 = 446,744.60/x
  3. Step 3: Cross multiply
    809,320.62x = 1,116,856.16 × 446,744.60
  4. Step 4: Simplify right side
    809,320.62x = 498,949,458,456.74
  5. Step 5: Solve for x
    x = 498,949,458,456.74/809,320.62
  6. Step 6: Final answer
    x = 616,504.07

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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.