Home / 809,220.82-1,116,724.72-451,524.82

Finding the Fourth Proportional to 809,220.82, 1,116,724.72 and 451,524.82

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Solution

The fourth proportional to 809,220.82, 1,116,724.72 and 451,524.82 is: 623,104.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,220.82 : 1,116,724.72 = 451,524.82 : x
  2. Step 2: Convert to fraction form
    809,220.82/1,116,724.72 = 451,524.82/x
  3. Step 3: Cross multiply
    809,220.82x = 1,116,724.72 × 451,524.82
  4. Step 4: Simplify right side
    809,220.82x = 504,228,922,603.93
  5. Step 5: Solve for x
    x = 504,228,922,603.93/809,220.82
  6. Step 6: Final answer
    x = 623,104.24

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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.