Home / 793,040.40-1,190,338.20-394,131.60

Finding the Fourth Proportional to 793,040.40, 1,190,338.20 and 394,131.60

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Solution

The fourth proportional to 793,040.40, 1,190,338.20 and 394,131.60 is: 591,583.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,040.40 : 1,190,338.20 = 394,131.60 : x
  2. Step 2: Convert to fraction form
    793,040.40/1,190,338.20 = 394,131.60/x
  3. Step 3: Cross multiply
    793,040.40x = 1,190,338.20 × 394,131.60
  4. Step 4: Simplify right side
    793,040.40x = 469,149,899,307.12
  5. Step 5: Solve for x
    x = 469,149,899,307.12/793,040.40
  6. Step 6: Final answer
    x = 591,583.86

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1.5x scale

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.