Home / 488,898.10-733,310.70-204,515.20

Finding the Fourth Proportional to 488,898.10, 733,310.70 and 204,515.20

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Solution

The fourth proportional to 488,898.10, 733,310.70 and 204,515.20 is: 306,757.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,898.10 : 733,310.70 = 204,515.20 : x
  2. Step 2: Convert to fraction form
    488,898.10/733,310.70 = 204,515.20/x
  3. Step 3: Cross multiply
    488,898.10x = 733,310.70 × 204,515.20
  4. Step 4: Simplify right side
    488,898.10x = 149,973,184,472.64
  5. Step 5: Solve for x
    x = 149,973,184,472.64/488,898.10
  6. Step 6: Final answer
    x = 306,757.55

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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.