Home / 807,914.87-1,114,922.23-445,344.76

Finding the Fourth Proportional to 807,914.87, 1,114,922.23 and 445,344.76

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Solution

The fourth proportional to 807,914.87, 1,114,922.23 and 445,344.76 is: 614,575.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,914.87 : 1,114,922.23 = 445,344.76 : x
  2. Step 2: Convert to fraction form
    807,914.87/1,114,922.23 = 445,344.76/x
  3. Step 3: Cross multiply
    807,914.87x = 1,114,922.23 × 445,344.76
  4. Step 4: Simplify right side
    807,914.87x = 496,524,769,037.35
  5. Step 5: Solve for x
    x = 496,524,769,037.35/807,914.87
  6. Step 6: Final answer
    x = 614,575.61

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Double scale
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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.