Home / 1,092,763.20-1,640,570.30-734,538.78

Finding the Fourth Proportional to 1,092,763.20, 1,640,570.30 and 734,538.78

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Solution

The fourth proportional to 1,092,763.20, 1,640,570.30 and 734,538.78 is: 1,102,766.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,763.20 : 1,640,570.30 = 734,538.78 : x
  2. Step 2: Convert to fraction form
    1,092,763.20/1,640,570.30 = 734,538.78/x
  3. Step 3: Cross multiply
    1,092,763.20x = 1,640,570.30 × 734,538.78
  4. Step 4: Simplify right side
    1,092,763.20x = 1,205,062,509,879.84
  5. Step 5: Solve for x
    x = 1,205,062,509,879.84/1,092,763.20
  6. Step 6: Final answer
    x = 1,102,766.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.