Home / 4,752,028.80-7,128,043.20-3,856,233.60

Finding the Fourth Proportional to 4,752,028.80, 7,128,043.20 and 3,856,233.60

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Solution

The fourth proportional to 4,752,028.80, 7,128,043.20 and 3,856,233.60 is: 5,784,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,028.80 : 7,128,043.20 = 3,856,233.60 : x
  2. Step 2: Convert to fraction form
    4,752,028.80/7,128,043.20 = 3,856,233.60/x
  3. Step 3: Cross multiply
    4,752,028.80x = 7,128,043.20 × 3,856,233.60
  4. Step 4: Simplify right side
    4,752,028.80x = 27,487,399,690,091.52
  5. Step 5: Solve for x
    x = 27,487,399,690,091.52/4,752,028.80
  6. Step 6: Final answer
    x = 5,784,350.40

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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.