Home / 809,131.38-1,116,600.49-446,555.43

Finding the Fourth Proportional to 809,131.38, 1,116,600.49 and 446,555.43

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Solution

The fourth proportional to 809,131.38, 1,116,600.49 and 446,555.43 is: 616,246.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,131.38 : 1,116,600.49 = 446,555.43 : x
  2. Step 2: Convert to fraction form
    809,131.38/1,116,600.49 = 446,555.43/x
  3. Step 3: Cross multiply
    809,131.38x = 1,116,600.49 × 446,555.43
  4. Step 4: Simplify right side
    809,131.38x = 498,624,012,508.36
  5. Step 5: Solve for x
    x = 498,624,012,508.36/809,131.38
  6. Step 6: Final answer
    x = 616,246.05

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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.