Home / 850,311.46-1,173,452.05-463,141.56

Finding the Fourth Proportional to 850,311.46, 1,173,452.05 and 463,141.56

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Solution

The fourth proportional to 850,311.46, 1,173,452.05 and 463,141.56 is: 639,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,311.46 : 1,173,452.05 = 463,141.56 : x
  2. Step 2: Convert to fraction form
    850,311.46/1,173,452.05 = 463,141.56/x
  3. Step 3: Cross multiply
    850,311.46x = 1,173,452.05 × 463,141.56
  4. Step 4: Simplify right side
    850,311.46x = 543,474,413,022.20
  5. Step 5: Solve for x
    x = 543,474,413,022.20/850,311.46
  6. Step 6: Final answer
    x = 639,147.46

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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.