Home / 1,100,676.38-1,518,289.96-692,131.42

Finding the Fourth Proportional to 1,100,676.38, 1,518,289.96 and 692,131.42

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Solution

The fourth proportional to 1,100,676.38, 1,518,289.96 and 692,131.42 is: 954,736.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,676.38 : 1,518,289.96 = 692,131.42 : x
  2. Step 2: Convert to fraction form
    1,100,676.38/1,518,289.96 = 692,131.42/x
  3. Step 3: Cross multiply
    1,100,676.38x = 1,518,289.96 × 692,131.42
  4. Step 4: Simplify right side
    1,100,676.38x = 1,050,856,185,986.54
  5. Step 5: Solve for x
    x = 1,050,856,185,986.54/1,100,676.38
  6. Step 6: Final answer
    x = 954,736.75

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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.