Home / 806,057.22-1,112,367.79-438,536.45

Finding the Fourth Proportional to 806,057.22, 1,112,367.79 and 438,536.45

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Solution

The fourth proportional to 806,057.22, 1,112,367.79 and 438,536.45 is: 605,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,057.22 : 1,112,367.79 = 438,536.45 : x
  2. Step 2: Convert to fraction form
    806,057.22/1,112,367.79 = 438,536.45/x
  3. Step 3: Cross multiply
    806,057.22x = 1,112,367.79 × 438,536.45
  4. Step 4: Simplify right side
    806,057.22x = 487,813,820,203.47
  5. Step 5: Solve for x
    x = 487,813,820,203.47/806,057.22
  6. Step 6: Final answer
    x = 605,185.10

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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.