Home / 409,919.72-565,687.34-226,153.29

Finding the Fourth Proportional to 409,919.72, 565,687.34 and 226,153.29

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Solution

The fourth proportional to 409,919.72, 565,687.34 and 226,153.29 is: 312,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,919.72 : 565,687.34 = 226,153.29 : x
  2. Step 2: Convert to fraction form
    409,919.72/565,687.34 = 226,153.29/x
  3. Step 3: Cross multiply
    409,919.72x = 565,687.34 × 226,153.29
  4. Step 4: Simplify right side
    409,919.72x = 127,932,051,921.58
  5. Step 5: Solve for x
    x = 127,932,051,921.58/409,919.72
  6. Step 6: Final answer
    x = 312,090.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.