Home / 1,235,618.92-1,705,073.80-691,750.36

Finding the Fourth Proportional to 1,235,618.92, 1,705,073.80 and 691,750.36

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Solution

The fourth proportional to 1,235,618.92, 1,705,073.80 and 691,750.36 is: 954,570.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,618.92 : 1,705,073.80 = 691,750.36 : x
  2. Step 2: Convert to fraction form
    1,235,618.92/1,705,073.80 = 691,750.36/x
  3. Step 3: Cross multiply
    1,235,618.92x = 1,705,073.80 × 691,750.36
  4. Step 4: Simplify right side
    1,235,618.92x = 1,179,485,414,976.57
  5. Step 5: Solve for x
    x = 1,179,485,414,976.57/1,235,618.92
  6. Step 6: Final answer
    x = 954,570.54

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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.