Home / 413,555.22-620,336.07-226,464.66

Finding the Fourth Proportional to 413,555.22, 620,336.07 and 226,464.66

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Solution

The fourth proportional to 413,555.22, 620,336.07 and 226,464.66 is: 339,698.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,555.22 : 620,336.07 = 226,464.66 : x
  2. Step 2: Convert to fraction form
    413,555.22/620,336.07 = 226,464.66/x
  3. Step 3: Cross multiply
    413,555.22x = 620,336.07 × 226,464.66
  4. Step 4: Simplify right side
    413,555.22x = 140,484,197,178.29
  5. Step 5: Solve for x
    x = 140,484,197,178.29/413,555.22
  6. Step 6: Final answer
    x = 339,698.76

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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.