Home / 492,918.24-679,913.94-323,163.24

Finding the Fourth Proportional to 492,918.24, 679,913.94 and 323,163.24

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Solution

The fourth proportional to 492,918.24, 679,913.94 and 323,163.24 is: 445,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,918.24 : 679,913.94 = 323,163.24 : x
  2. Step 2: Convert to fraction form
    492,918.24/679,913.94 = 323,163.24/x
  3. Step 3: Cross multiply
    492,918.24x = 679,913.94 × 323,163.24
  4. Step 4: Simplify right side
    492,918.24x = 219,723,191,771.57
  5. Step 5: Solve for x
    x = 219,723,191,771.57/492,918.24
  6. Step 6: Final answer
    x = 445,759.91

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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.