Home / 1,100,515.85-1,650,773.78-628,123.85

Finding the Fourth Proportional to 1,100,515.85, 1,650,773.78 and 628,123.85

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Solution

The fourth proportional to 1,100,515.85, 1,650,773.78 and 628,123.85 is: 942,185.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,515.85 : 1,650,773.78 = 628,123.85 : x
  2. Step 2: Convert to fraction form
    1,100,515.85/1,650,773.78 = 628,123.85/x
  3. Step 3: Cross multiply
    1,100,515.85x = 1,650,773.78 × 628,123.85
  4. Step 4: Simplify right side
    1,100,515.85x = 1,036,890,379,032.03
  5. Step 5: Solve for x
    x = 1,036,890,379,032.03/1,100,515.85
  6. Step 6: Final answer
    x = 942,185.78

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Similar ratio
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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.