Home / 863,640.96-1,191,826.64-481,692.48

Finding the Fourth Proportional to 863,640.96, 1,191,826.64 and 481,692.48

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Solution

The fourth proportional to 863,640.96, 1,191,826.64 and 481,692.48 is: 664,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,640.96 : 1,191,826.64 = 481,692.48 : x
  2. Step 2: Convert to fraction form
    863,640.96/1,191,826.64 = 481,692.48/x
  3. Step 3: Cross multiply
    863,640.96x = 1,191,826.64 × 481,692.48
  4. Step 4: Simplify right side
    863,640.96x = 574,093,929,951.67
  5. Step 5: Solve for x
    x = 574,093,929,951.67/863,640.96
  6. Step 6: Final answer
    x = 664,736.80

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1.5x scale

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.