Home / 862,408.60-1,181,504.03-830,085.98

Finding the Fourth Proportional to 862,408.60, 1,181,504.03 and 830,085.98

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Solution

The fourth proportional to 862,408.60, 1,181,504.03 and 830,085.98 is: 1,137,221.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,408.60 : 1,181,504.03 = 830,085.98 : x
  2. Step 2: Convert to fraction form
    862,408.60/1,181,504.03 = 830,085.98/x
  3. Step 3: Cross multiply
    862,408.60x = 1,181,504.03 × 830,085.98
  4. Step 4: Simplify right side
    862,408.60x = 980,749,930,616.50
  5. Step 5: Solve for x
    x = 980,749,930,616.50/862,408.60
  6. Step 6: Final answer
    x = 1,137,221.88

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.