Home / 1,188,183.38-1,639,796.76-651,743.06

Finding the Fourth Proportional to 1,188,183.38, 1,639,796.76 and 651,743.06

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Solution

The fourth proportional to 1,188,183.38, 1,639,796.76 and 651,743.06 is: 899,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,183.38 : 1,639,796.76 = 651,743.06 : x
  2. Step 2: Convert to fraction form
    1,188,183.38/1,639,796.76 = 651,743.06/x
  3. Step 3: Cross multiply
    1,188,183.38x = 1,639,796.76 × 651,743.06
  4. Step 4: Simplify right side
    1,188,183.38x = 1,068,726,149,941.50
  5. Step 5: Solve for x
    x = 1,068,726,149,941.50/1,188,183.38
  6. Step 6: Final answer
    x = 899,462.30

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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.