Home / 1,121,481.24-1,546,667.22-685,568.40

Finding the Fourth Proportional to 1,121,481.24, 1,546,667.22 and 685,568.40

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Solution

The fourth proportional to 1,121,481.24, 1,546,667.22 and 685,568.40 is: 945,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,481.24 : 1,546,667.22 = 685,568.40 : x
  2. Step 2: Convert to fraction form
    1,121,481.24/1,546,667.22 = 685,568.40/x
  3. Step 3: Cross multiply
    1,121,481.24x = 1,546,667.22 × 685,568.40
  4. Step 4: Simplify right side
    1,121,481.24x = 1,060,346,171,347.85
  5. Step 5: Solve for x
    x = 1,060,346,171,347.85/1,121,481.24
  6. Step 6: Final answer
    x = 945,487.21

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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.