Home / 481,548.22-721,928.07-181,858.66

Finding the Fourth Proportional to 481,548.22, 721,928.07 and 181,858.66

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Solution

The fourth proportional to 481,548.22, 721,928.07 and 181,858.66 is: 272,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,548.22 : 721,928.07 = 181,858.66 : x
  2. Step 2: Convert to fraction form
    481,548.22/721,928.07 = 181,858.66/x
  3. Step 3: Cross multiply
    481,548.22x = 721,928.07 × 181,858.66
  4. Step 4: Simplify right side
    481,548.22x = 131,288,871,426.59
  5. Step 5: Solve for x
    x = 131,288,871,426.59/481,548.22
  6. Step 6: Final answer
    x = 272,639.10

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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.