Home / 809,282.39-1,116,809.82-446,706.41

Finding the Fourth Proportional to 809,282.39, 1,116,809.82 and 446,706.41

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Solution

The fourth proportional to 809,282.39, 1,116,809.82 and 446,706.41 is: 616,454.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,282.39 : 1,116,809.82 = 446,706.41 : x
  2. Step 2: Convert to fraction form
    809,282.39/1,116,809.82 = 446,706.41/x
  3. Step 3: Cross multiply
    809,282.39x = 1,116,809.82 × 446,706.41
  4. Step 4: Simplify right side
    809,282.39x = 498,886,099,760.90
  5. Step 5: Solve for x
    x = 498,886,099,760.90/809,282.39
  6. Step 6: Final answer
    x = 616,454.91

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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.