Home / 1,261,684.44-1,890,588.38-856,349.51

Finding the Fourth Proportional to 1,261,684.44, 1,890,588.38 and 856,349.51

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Solution

The fourth proportional to 1,261,684.44, 1,890,588.38 and 856,349.51 is: 1,283,208.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,684.44 : 1,890,588.38 = 856,349.51 : x
  2. Step 2: Convert to fraction form
    1,261,684.44/1,890,588.38 = 856,349.51/x
  3. Step 3: Cross multiply
    1,261,684.44x = 1,890,588.38 × 856,349.51
  4. Step 4: Simplify right side
    1,261,684.44x = 1,619,004,419,090.00
  5. Step 5: Solve for x
    x = 1,619,004,419,090.00/1,261,684.44
  6. Step 6: Final answer
    x = 1,283,208.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.