Home / 1,112,355.92-1,534,991.88-628,892.24

Finding the Fourth Proportional to 1,112,355.92, 1,534,991.88 and 628,892.24

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Solution

The fourth proportional to 1,112,355.92, 1,534,991.88 and 628,892.24 is: 867,837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,355.92 : 1,534,991.88 = 628,892.24 : x
  2. Step 2: Convert to fraction form
    1,112,355.92/1,534,991.88 = 628,892.24/x
  3. Step 3: Cross multiply
    1,112,355.92x = 1,534,991.88 × 628,892.24
  4. Step 4: Simplify right side
    1,112,355.92x = 965,344,481,795.01
  5. Step 5: Solve for x
    x = 965,344,481,795.01/1,112,355.92
  6. Step 6: Final answer
    x = 867,837.77

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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.