Home / 702,178.12-1,052,638.62-252,793.36

Finding the Fourth Proportional to 702,178.12, 1,052,638.62 and 252,793.36

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Solution

The fourth proportional to 702,178.12, 1,052,638.62 and 252,793.36 is: 378,963.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,178.12 : 1,052,638.62 = 252,793.36 : x
  2. Step 2: Convert to fraction form
    702,178.12/1,052,638.62 = 252,793.36/x
  3. Step 3: Cross multiply
    702,178.12x = 1,052,638.62 × 252,793.36
  4. Step 4: Simplify right side
    702,178.12x = 266,100,053,615.56
  5. Step 5: Solve for x
    x = 266,100,053,615.56/702,178.12
  6. Step 6: Final answer
    x = 378,963.75

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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.