Home / 825,770.70-1,239,808.05-528,093.90

Finding the Fourth Proportional to 825,770.70, 1,239,808.05 and 528,093.90

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Solution

The fourth proportional to 825,770.70, 1,239,808.05 and 528,093.90 is: 792,877.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,770.70 : 1,239,808.05 = 528,093.90 : x
  2. Step 2: Convert to fraction form
    825,770.70/1,239,808.05 = 528,093.90/x
  3. Step 3: Cross multiply
    825,770.70x = 1,239,808.05 × 528,093.90
  4. Step 4: Simplify right side
    825,770.70x = 654,735,068,375.90
  5. Step 5: Solve for x
    x = 654,735,068,375.90/825,770.70
  6. Step 6: Final answer
    x = 792,877.57

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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.