Home / 400,438.67-552,604.91-226,045.55

Finding the Fourth Proportional to 400,438.67, 552,604.91 and 226,045.55

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Solution

The fourth proportional to 400,438.67, 552,604.91 and 226,045.55 is: 311,942.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,438.67 : 552,604.91 = 226,045.55 : x
  2. Step 2: Convert to fraction form
    400,438.67/552,604.91 = 226,045.55/x
  3. Step 3: Cross multiply
    400,438.67x = 552,604.91 × 226,045.55
  4. Step 4: Simplify right side
    400,438.67x = 124,913,881,064.94
  5. Step 5: Solve for x
    x = 124,913,881,064.94/400,438.67
  6. Step 6: Final answer
    x = 311,942.61

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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.