Home / 784,439.68-1,082,366.40-444,818.56

Finding the Fourth Proportional to 784,439.68, 1,082,366.40 and 444,818.56

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Solution

The fourth proportional to 784,439.68, 1,082,366.40 and 444,818.56 is: 613,758.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,439.68 : 1,082,366.40 = 444,818.56 : x
  2. Step 2: Convert to fraction form
    784,439.68/1,082,366.40 = 444,818.56/x
  3. Step 3: Cross multiply
    784,439.68x = 1,082,366.40 × 444,818.56
  4. Step 4: Simplify right side
    784,439.68x = 481,456,663,440.38
  5. Step 5: Solve for x
    x = 481,456,663,440.38/784,439.68
  6. Step 6: Final answer
    x = 613,758.68

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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.