Home / 757,623.85-1,135,057.56-441,121.21

Finding the Fourth Proportional to 757,623.85, 1,135,057.56 and 441,121.21

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Solution

The fourth proportional to 757,623.85, 1,135,057.56 and 441,121.21 is: 660,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,623.85 : 1,135,057.56 = 441,121.21 : x
  2. Step 2: Convert to fraction form
    757,623.85/1,135,057.56 = 441,121.21/x
  3. Step 3: Cross multiply
    757,623.85x = 1,135,057.56 × 441,121.21
  4. Step 4: Simplify right side
    757,623.85x = 500,697,964,286.85
  5. Step 5: Solve for x
    x = 500,697,964,286.85/757,623.85
  6. Step 6: Final answer
    x = 660,879.36

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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.