Home / 809,813.20-1,117,550.64-447,246.24

Finding the Fourth Proportional to 809,813.20, 1,117,550.64 and 447,246.24

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Solution

The fourth proportional to 809,813.20, 1,117,550.64 and 447,246.24 is: 617,204.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,813.20 : 1,117,550.64 = 447,246.24 : x
  2. Step 2: Convert to fraction form
    809,813.20/1,117,550.64 = 447,246.24/x
  3. Step 3: Cross multiply
    809,813.20x = 1,117,550.64 × 447,246.24
  4. Step 4: Simplify right side
    809,813.20x = 499,820,321,749.59
  5. Step 5: Solve for x
    x = 499,820,321,749.59/809,813.20
  6. Step 6: Final answer
    x = 617,204.46

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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.