Home / 728,722.70-1,093,084.05-528,101.90

Finding the Fourth Proportional to 728,722.70, 1,093,084.05 and 528,101.90

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Solution

The fourth proportional to 728,722.70, 1,093,084.05 and 528,101.90 is: 792,152.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,722.70 : 1,093,084.05 = 528,101.90 : x
  2. Step 2: Convert to fraction form
    728,722.70/1,093,084.05 = 528,101.90/x
  3. Step 3: Cross multiply
    728,722.70x = 1,093,084.05 × 528,101.90
  4. Step 4: Simplify right side
    728,722.70x = 577,259,763,664.70
  5. Step 5: Solve for x
    x = 577,259,763,664.70/728,722.70
  6. Step 6: Final answer
    x = 792,152.85

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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.