Home / 488,000.82-673,434.50-273,140.82

Finding the Fourth Proportional to 488,000.82, 673,434.50 and 273,140.82

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Solution

The fourth proportional to 488,000.82, 673,434.50 and 273,140.82 is: 376,930.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,000.82 : 673,434.50 = 273,140.82 : x
  2. Step 2: Convert to fraction form
    488,000.82/673,434.50 = 273,140.82/x
  3. Step 3: Cross multiply
    488,000.82x = 673,434.50 × 273,140.82
  4. Step 4: Simplify right side
    488,000.82x = 183,942,451,546.29
  5. Step 5: Solve for x
    x = 183,942,451,546.29/488,000.82
  6. Step 6: Final answer
    x = 376,930.62

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1.5x scale

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.