Home / 809,846.37-1,117,566.59-447,262.43

Finding the Fourth Proportional to 809,846.37, 1,117,566.59 and 447,262.43

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Solution

The fourth proportional to 809,846.37, 1,117,566.59 and 447,262.43 is: 617,210.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,846.37 : 1,117,566.59 = 447,262.43 : x
  2. Step 2: Convert to fraction form
    809,846.37/1,117,566.59 = 447,262.43/x
  3. Step 3: Cross multiply
    809,846.37x = 1,117,566.59 × 447,262.43
  4. Step 4: Simplify right side
    809,846.37x = 499,845,540,906.07
  5. Step 5: Solve for x
    x = 499,845,540,906.07/809,846.37
  6. Step 6: Final answer
    x = 617,210.32

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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.