Home / 809,563.88-1,117,215.57-447,010.66

Finding the Fourth Proportional to 809,563.88, 1,117,215.57 and 447,010.66

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Solution

The fourth proportional to 809,563.88, 1,117,215.57 and 447,010.66 is: 616,884.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,563.88 : 1,117,215.57 = 447,010.66 : x
  2. Step 2: Convert to fraction form
    809,563.88/1,117,215.57 = 447,010.66/x
  3. Step 3: Cross multiply
    809,563.88x = 1,117,215.57 × 447,010.66
  4. Step 4: Simplify right side
    809,563.88x = 499,407,269,307.98
  5. Step 5: Solve for x
    x = 499,407,269,307.98/809,563.88
  6. Step 6: Final answer
    x = 616,884.33

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Double scale
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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.