Home / 647,140.20-970,710.30-197,861.07

Finding the Fourth Proportional to 647,140.20, 970,710.30 and 197,861.07

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Solution

The fourth proportional to 647,140.20, 970,710.30 and 197,861.07 is: 296,791.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,140.20 : 970,710.30 = 197,861.07 : x
  2. Step 2: Convert to fraction form
    647,140.20/970,710.30 = 197,861.07/x
  3. Step 3: Cross multiply
    647,140.20x = 970,710.30 × 197,861.07
  4. Step 4: Simplify right side
    647,140.20x = 192,065,778,618.02
  5. Step 5: Solve for x
    x = 192,065,778,618.02/647,140.20
  6. Step 6: Final answer
    x = 296,791.61

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Similar ratio
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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.