Home / 807,859.56-1,114,839.96-445,284.12

Finding the Fourth Proportional to 807,859.56, 1,114,839.96 and 445,284.12

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Solution

The fourth proportional to 807,859.56, 1,114,839.96 and 445,284.12 is: 614,488.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,859.56 : 1,114,839.96 = 445,284.12 : x
  2. Step 2: Convert to fraction form
    807,859.56/1,114,839.96 = 445,284.12/x
  3. Step 3: Cross multiply
    807,859.56x = 1,114,839.96 × 445,284.12
  4. Step 4: Simplify right side
    807,859.56x = 496,420,530,529.44
  5. Step 5: Solve for x
    x = 496,420,530,529.44/807,859.56
  6. Step 6: Final answer
    x = 614,488.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.