Home / 403,566.57-605,435.24-133,679.44

Finding the Fourth Proportional to 403,566.57, 605,435.24 and 133,679.44

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Solution

The fourth proportional to 403,566.57, 605,435.24 and 133,679.44 is: 200,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,566.57 : 605,435.24 = 133,679.44 : x
  2. Step 2: Convert to fraction form
    403,566.57/605,435.24 = 133,679.44/x
  3. Step 3: Cross multiply
    403,566.57x = 605,435.24 × 133,679.44
  4. Step 4: Simplify right side
    403,566.57x = 80,934,242,660.08
  5. Step 5: Solve for x
    x = 80,934,242,660.08/403,566.57
  6. Step 6: Final answer
    x = 200,547.44

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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.