Home / 809,282.45-1,116,809.84-446,706.41

Finding the Fourth Proportional to 809,282.45, 1,116,809.84 and 446,706.41

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Solution

The fourth proportional to 809,282.45, 1,116,809.84 and 446,706.41 is: 616,454.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,282.45 : 1,116,809.84 = 446,706.41 : x
  2. Step 2: Convert to fraction form
    809,282.45/1,116,809.84 = 446,706.41/x
  3. Step 3: Cross multiply
    809,282.45x = 1,116,809.84 × 446,706.41
  4. Step 4: Simplify right side
    809,282.45x = 498,886,109,811.79
  5. Step 5: Solve for x
    x = 498,886,109,811.79/809,282.45
  6. Step 6: Final answer
    x = 616,454.87

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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.