Home / 754,490.40-1,131,735.96-193,525.08

Finding the Fourth Proportional to 754,490.40, 1,131,735.96 and 193,525.08

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Solution

The fourth proportional to 754,490.40, 1,131,735.96 and 193,525.08 is: 290,287.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,490.40 : 1,131,735.96 = 193,525.08 : x
  2. Step 2: Convert to fraction form
    754,490.40/1,131,735.96 = 193,525.08/x
  3. Step 3: Cross multiply
    754,490.40x = 1,131,735.96 × 193,525.08
  4. Step 4: Simplify right side
    754,490.40x = 219,019,292,197.88
  5. Step 5: Solve for x
    x = 219,019,292,197.88/754,490.40
  6. Step 6: Final answer
    x = 290,287.71

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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.