Home / 860,771.98-1,188,717.42-709,311.16

Finding the Fourth Proportional to 860,771.98, 1,188,717.42 and 709,311.16

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Solution

The fourth proportional to 860,771.98, 1,188,717.42 and 709,311.16 is: 979,551.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,771.98 : 1,188,717.42 = 709,311.16 : x
  2. Step 2: Convert to fraction form
    860,771.98/1,188,717.42 = 709,311.16/x
  3. Step 3: Cross multiply
    860,771.98x = 1,188,717.42 × 709,311.16
  4. Step 4: Simplify right side
    860,771.98x = 843,170,532,092.41
  5. Step 5: Solve for x
    x = 843,170,532,092.41/860,771.98
  6. Step 6: Final answer
    x = 979,551.56

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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.