Home / 809,504.64-1,117,087.20-446,920.56

Finding the Fourth Proportional to 809,504.64, 1,117,087.20 and 446,920.56

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Solution

The fourth proportional to 809,504.64, 1,117,087.20 and 446,920.56 is: 616,734.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,504.64 : 1,117,087.20 = 446,920.56 : x
  2. Step 2: Convert to fraction form
    809,504.64/1,117,087.20 = 446,920.56/x
  3. Step 3: Cross multiply
    809,504.64x = 1,117,087.20 × 446,920.56
  4. Step 4: Simplify right side
    809,504.64x = 499,249,236,992.83
  5. Step 5: Solve for x
    x = 499,249,236,992.83/809,504.64
  6. Step 6: Final answer
    x = 616,734.25

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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.