Home / 403,983.18-605,833.08-221,577.36

Finding the Fourth Proportional to 403,983.18, 605,833.08 and 221,577.36

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Solution

The fourth proportional to 403,983.18, 605,833.08 and 221,577.36 is: 332,288.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,983.18 : 605,833.08 = 221,577.36 : x
  2. Step 2: Convert to fraction form
    403,983.18/605,833.08 = 221,577.36/x
  3. Step 3: Cross multiply
    403,983.18x = 605,833.08 × 221,577.36
  4. Step 4: Simplify right side
    403,983.18x = 134,238,894,467.07
  5. Step 5: Solve for x
    x = 134,238,894,467.07/403,983.18
  6. Step 6: Final answer
    x = 332,288.33

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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.