Home / 928,884.40-1,393,326.60-787,166.80

Finding the Fourth Proportional to 928,884.40, 1,393,326.60 and 787,166.80

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Solution

The fourth proportional to 928,884.40, 1,393,326.60 and 787,166.80 is: 1,180,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,884.40 : 1,393,326.60 = 787,166.80 : x
  2. Step 2: Convert to fraction form
    928,884.40/1,393,326.60 = 787,166.80/x
  3. Step 3: Cross multiply
    928,884.40x = 1,393,326.60 × 787,166.80
  4. Step 4: Simplify right side
    928,884.40x = 1,096,780,441,076.88
  5. Step 5: Solve for x
    x = 1,096,780,441,076.88/928,884.40
  6. Step 6: Final answer
    x = 1,180,750.20

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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.