Home / 387,932.23-581,608.43-267,645.94

Finding the Fourth Proportional to 387,932.23, 581,608.43 and 267,645.94

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Solution

The fourth proportional to 387,932.23, 581,608.43 and 267,645.94 is: 401,268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,932.23 : 581,608.43 = 267,645.94 : x
  2. Step 2: Convert to fraction form
    387,932.23/581,608.43 = 267,645.94/x
  3. Step 3: Cross multiply
    387,932.23x = 581,608.43 × 267,645.94
  4. Step 4: Simplify right side
    387,932.23x = 155,665,130,713.00
  5. Step 5: Solve for x
    x = 155,665,130,713.00/387,932.23
  6. Step 6: Final answer
    x = 401,268.88

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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.