Home / 1,693,236.82-2,336,668.39-968,099.72

Finding the Fourth Proportional to 1,693,236.82, 2,336,668.39 and 968,099.72

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Solution

The fourth proportional to 1,693,236.82, 2,336,668.39 and 968,099.72 is: 1,335,978.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,236.82 : 2,336,668.39 = 968,099.72 : x
  2. Step 2: Convert to fraction form
    1,693,236.82/2,336,668.39 = 968,099.72/x
  3. Step 3: Cross multiply
    1,693,236.82x = 2,336,668.39 × 968,099.72
  4. Step 4: Simplify right side
    1,693,236.82x = 2,262,128,021,143.65
  5. Step 5: Solve for x
    x = 2,262,128,021,143.65/1,693,236.82
  6. Step 6: Final answer
    x = 1,335,978.52

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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.