Home / 413,567.28-620,354.04-226,476.72

Finding the Fourth Proportional to 413,567.28, 620,354.04 and 226,476.72

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Solution

The fourth proportional to 413,567.28, 620,354.04 and 226,476.72 is: 339,716.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,567.28 : 620,354.04 = 226,476.72 : x
  2. Step 2: Convert to fraction form
    413,567.28/620,354.04 = 226,476.72/x
  3. Step 3: Cross multiply
    413,567.28x = 620,354.04 × 226,476.72
  4. Step 4: Simplify right side
    413,567.28x = 140,495,748,217.95
  5. Step 5: Solve for x
    x = 140,495,748,217.95/413,567.28
  6. Step 6: Final answer
    x = 339,716.79

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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.