Home / 1,177,474.39-1,765,090.38-378,195.48

Finding the Fourth Proportional to 1,177,474.39, 1,765,090.38 and 378,195.48

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Solution

The fourth proportional to 1,177,474.39, 1,765,090.38 and 378,195.48 is: 566,933.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,474.39 : 1,765,090.38 = 378,195.48 : x
  2. Step 2: Convert to fraction form
    1,177,474.39/1,765,090.38 = 378,195.48/x
  3. Step 3: Cross multiply
    1,177,474.39x = 1,765,090.38 × 378,195.48
  4. Step 4: Simplify right side
    1,177,474.39x = 667,549,203,507.48
  5. Step 5: Solve for x
    x = 667,549,203,507.48/1,177,474.39
  6. Step 6: Final answer
    x = 566,933.10

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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.