Home / 722,667.72-1,083,610.62-573,865.32

Finding the Fourth Proportional to 722,667.72, 1,083,610.62 and 573,865.32

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Solution

The fourth proportional to 722,667.72, 1,083,610.62 and 573,865.32 is: 860,487.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,667.72 : 1,083,610.62 = 573,865.32 : x
  2. Step 2: Convert to fraction form
    722,667.72/1,083,610.62 = 573,865.32/x
  3. Step 3: Cross multiply
    722,667.72x = 1,083,610.62 × 573,865.32
  4. Step 4: Simplify right side
    722,667.72x = 621,846,555,201.70
  5. Step 5: Solve for x
    x = 621,846,555,201.70/722,667.72
  6. Step 6: Final answer
    x = 860,487.52

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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.