Home / 784,285.32-1,082,313.64-444,753.57

Finding the Fourth Proportional to 784,285.32, 1,082,313.64 and 444,753.57

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Solution

The fourth proportional to 784,285.32, 1,082,313.64 and 444,753.57 is: 613,759.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,285.32 : 1,082,313.64 = 444,753.57 : x
  2. Step 2: Convert to fraction form
    784,285.32/1,082,313.64 = 444,753.57/x
  3. Step 3: Cross multiply
    784,285.32x = 1,082,313.64 × 444,753.57
  4. Step 4: Simplify right side
    784,285.32x = 481,362,855,249.70
  5. Step 5: Solve for x
    x = 481,362,855,249.70/784,285.32
  6. Step 6: Final answer
    x = 613,759.87

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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.