Home / 1,112,356.92-1,534,993.26-628,893.24

Finding the Fourth Proportional to 1,112,356.92, 1,534,993.26 and 628,893.24

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Solution

The fourth proportional to 1,112,356.92, 1,534,993.26 and 628,893.24 is: 867,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,356.92 : 1,534,993.26 = 628,893.24 : x
  2. Step 2: Convert to fraction form
    1,112,356.92/1,534,993.26 = 628,893.24/x
  3. Step 3: Cross multiply
    1,112,356.92x = 1,534,993.26 × 628,893.24
  4. Step 4: Simplify right side
    1,112,356.92x = 965,346,884,659.56
  5. Step 5: Solve for x
    x = 965,346,884,659.56/1,112,356.92
  6. Step 6: Final answer
    x = 867,839.15

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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.