Home / 403,361.07-605,046.46-122,880.75

Finding the Fourth Proportional to 403,361.07, 605,046.46 and 122,880.75

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Solution

The fourth proportional to 403,361.07, 605,046.46 and 122,880.75 is: 184,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,361.07 : 605,046.46 = 122,880.75 : x
  2. Step 2: Convert to fraction form
    403,361.07/605,046.46 = 122,880.75/x
  3. Step 3: Cross multiply
    403,361.07x = 605,046.46 × 122,880.75
  4. Step 4: Simplify right side
    403,361.07x = 74,348,562,789.65
  5. Step 5: Solve for x
    x = 74,348,562,789.65/403,361.07
  6. Step 6: Final answer
    x = 184,322.60

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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.