Home / 728,712.70-1,093,069.05-528,091.90

Finding the Fourth Proportional to 728,712.70, 1,093,069.05 and 528,091.90

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Solution

The fourth proportional to 728,712.70, 1,093,069.05 and 528,091.90 is: 792,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,712.70 : 1,093,069.05 = 528,091.90 : x
  2. Step 2: Convert to fraction form
    728,712.70/1,093,069.05 = 528,091.90/x
  3. Step 3: Cross multiply
    728,712.70x = 1,093,069.05 × 528,091.90
  4. Step 4: Simplify right side
    728,712.70x = 577,240,911,445.70
  5. Step 5: Solve for x
    x = 577,240,911,445.70/728,712.70
  6. Step 6: Final answer
    x = 792,137.85

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