Home / 413,776.32-620,936.64-226,919.04

Finding the Fourth Proportional to 413,776.32, 620,936.64 and 226,919.04

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Solution

The fourth proportional to 413,776.32, 620,936.64 and 226,919.04 is: 340,527.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,776.32 : 620,936.64 = 226,919.04 : x
  2. Step 2: Convert to fraction form
    413,776.32/620,936.64 = 226,919.04/x
  3. Step 3: Cross multiply
    413,776.32x = 620,936.64 × 226,919.04
  4. Step 4: Simplify right side
    413,776.32x = 140,902,346,249.63
  5. Step 5: Solve for x
    x = 140,902,346,249.63/413,776.32
  6. Step 6: Final answer
    x = 340,527.82

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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.