Home / 784,745.46-1,082,984.34-462,469.14

Finding the Fourth Proportional to 784,745.46, 1,082,984.34 and 462,469.14

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Solution

The fourth proportional to 784,745.46, 1,082,984.34 and 462,469.14 is: 638,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,745.46 : 1,082,984.34 = 462,469.14 : x
  2. Step 2: Convert to fraction form
    784,745.46/1,082,984.34 = 462,469.14/x
  3. Step 3: Cross multiply
    784,745.46x = 1,082,984.34 × 462,469.14
  4. Step 4: Simplify right side
    784,745.46x = 500,846,836,353.27
  5. Step 5: Solve for x
    x = 500,846,836,353.27/784,745.46
  6. Step 6: Final answer
    x = 638,228.40

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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.