Home / 806,536.66-1,112,559.36-504,205.78

Finding the Fourth Proportional to 806,536.66, 1,112,559.36 and 504,205.78

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Solution

The fourth proportional to 806,536.66, 1,112,559.36 and 504,205.78 is: 695,515.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,536.66 : 1,112,559.36 = 504,205.78 : x
  2. Step 2: Convert to fraction form
    806,536.66/1,112,559.36 = 504,205.78/x
  3. Step 3: Cross multiply
    806,536.66x = 1,112,559.36 × 504,205.78
  4. Step 4: Simplify right side
    806,536.66x = 560,958,859,905.10
  5. Step 5: Solve for x
    x = 560,958,859,905.10/806,536.66
  6. Step 6: Final answer
    x = 695,515.64

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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.