Home / 1,505,866.94-2,078,090.34-861,286.22

Finding the Fourth Proportional to 1,505,866.94, 2,078,090.34 and 861,286.22

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Solution

The fourth proportional to 1,505,866.94, 2,078,090.34 and 861,286.22 is: 1,188,571.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,866.94 : 2,078,090.34 = 861,286.22 : x
  2. Step 2: Convert to fraction form
    1,505,866.94/2,078,090.34 = 861,286.22/x
  3. Step 3: Cross multiply
    1,505,866.94x = 2,078,090.34 × 861,286.22
  4. Step 4: Simplify right side
    1,505,866.94x = 1,789,830,573,757.11
  5. Step 5: Solve for x
    x = 1,789,830,573,757.11/1,505,866.94
  6. Step 6: Final answer
    x = 1,188,571.53

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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.