Home / 368,623.11-551,873.97-330,158.64

Finding the Fourth Proportional to 368,623.11, 551,873.97 and 330,158.64

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Solution

The fourth proportional to 368,623.11, 551,873.97 and 330,158.64 is: 494,287.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,623.11 : 551,873.97 = 330,158.64 : x
  2. Step 2: Convert to fraction form
    368,623.11/551,873.97 = 330,158.64/x
  3. Step 3: Cross multiply
    368,623.11x = 551,873.97 × 330,158.64
  4. Step 4: Simplify right side
    368,623.11x = 182,205,959,386.60
  5. Step 5: Solve for x
    x = 182,205,959,386.60/368,623.11
  6. Step 6: Final answer
    x = 494,287.94

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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.