Home / 809,361.52-1,116,918.90-451,665.52

Finding the Fourth Proportional to 809,361.52, 1,116,918.90 and 451,665.52

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Solution

The fourth proportional to 809,361.52, 1,116,918.90 and 451,665.52 is: 623,298.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,361.52 : 1,116,918.90 = 451,665.52 : x
  2. Step 2: Convert to fraction form
    809,361.52/1,116,918.90 = 451,665.52/x
  3. Step 3: Cross multiply
    809,361.52x = 1,116,918.90 × 451,665.52
  4. Step 4: Simplify right side
    809,361.52x = 504,473,755,766.33
  5. Step 5: Solve for x
    x = 504,473,755,766.33/809,361.52
  6. Step 6: Final answer
    x = 623,298.42

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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.