Home / 1,188,844.06-1,640,604.54-679,557.37

Finding the Fourth Proportional to 1,188,844.06, 1,640,604.54 and 679,557.37

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Solution

The fourth proportional to 1,188,844.06, 1,640,604.54 and 679,557.37 is: 937,789.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,844.06 : 1,640,604.54 = 679,557.37 : x
  2. Step 2: Convert to fraction form
    1,188,844.06/1,640,604.54 = 679,557.37/x
  3. Step 3: Cross multiply
    1,188,844.06x = 1,640,604.54 × 679,557.37
  4. Step 4: Simplify right side
    1,188,844.06x = 1,114,884,906,412.46
  5. Step 5: Solve for x
    x = 1,114,884,906,412.46/1,188,844.06
  6. Step 6: Final answer
    x = 937,789.02

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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.