Home / 804,330.14-1,109,512.31-481,853.48

Finding the Fourth Proportional to 804,330.14, 1,109,512.31 and 481,853.48

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Solution

The fourth proportional to 804,330.14, 1,109,512.31 and 481,853.48 is: 664,680.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,330.14 : 1,109,512.31 = 481,853.48 : x
  2. Step 2: Convert to fraction form
    804,330.14/1,109,512.31 = 481,853.48/x
  3. Step 3: Cross multiply
    804,330.14x = 1,109,512.31 × 481,853.48
  4. Step 4: Simplify right side
    804,330.14x = 534,622,359,719.51
  5. Step 5: Solve for x
    x = 534,622,359,719.51/804,330.14
  6. Step 6: Final answer
    x = 664,680.26

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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.