Home / 809,287.46-1,116,816.75-446,711.41

Finding the Fourth Proportional to 809,287.46, 1,116,816.75 and 446,711.41

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Solution

The fourth proportional to 809,287.46, 1,116,816.75 and 446,711.41 is: 616,461.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,287.46 : 1,116,816.75 = 446,711.41 : x
  2. Step 2: Convert to fraction form
    809,287.46/1,116,816.75 = 446,711.41/x
  3. Step 3: Cross multiply
    809,287.46x = 1,116,816.75 × 446,711.41
  4. Step 4: Simplify right side
    809,287.46x = 498,894,785,104.12
  5. Step 5: Solve for x
    x = 498,894,785,104.12/809,287.46
  6. Step 6: Final answer
    x = 616,461.78

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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.