Home / 403,540.20-605,308.68-123,056.64

Finding the Fourth Proportional to 403,540.20, 605,308.68 and 123,056.64

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Solution

The fourth proportional to 403,540.20, 605,308.68 and 123,056.64 is: 184,584.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,540.20 : 605,308.68 = 123,056.64 : x
  2. Step 2: Convert to fraction form
    403,540.20/605,308.68 = 123,056.64/x
  3. Step 3: Cross multiply
    403,540.20x = 605,308.68 × 123,056.64
  4. Step 4: Simplify right side
    403,540.20x = 74,487,252,323.64
  5. Step 5: Solve for x
    x = 74,487,252,323.64/403,540.20
  6. Step 6: Final answer
    x = 184,584.47

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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.