Home / 809,419.34-1,117,007.75-446,843.39

Finding the Fourth Proportional to 809,419.34, 1,117,007.75 and 446,843.39

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Solution

The fourth proportional to 809,419.34, 1,117,007.75 and 446,843.39 is: 616,648.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,419.34 : 1,117,007.75 = 446,843.39 : x
  2. Step 2: Convert to fraction form
    809,419.34/1,117,007.75 = 446,843.39/x
  3. Step 3: Cross multiply
    809,419.34x = 1,117,007.75 × 446,843.39
  4. Step 4: Simplify right side
    809,419.34x = 499,127,530,224.58
  5. Step 5: Solve for x
    x = 499,127,530,224.58/809,419.34
  6. Step 6: Final answer
    x = 616,648.88

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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.