Home / 467,790.56-645,846.16-324,500.48

Finding the Fourth Proportional to 467,790.56, 645,846.16 and 324,500.48

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Solution

The fourth proportional to 467,790.56, 645,846.16 and 324,500.48 is: 448,015.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,790.56 : 645,846.16 = 324,500.48 : x
  2. Step 2: Convert to fraction form
    467,790.56/645,846.16 = 324,500.48/x
  3. Step 3: Cross multiply
    467,790.56x = 645,846.16 × 324,500.48
  4. Step 4: Simplify right side
    467,790.56x = 209,577,388,926.16
  5. Step 5: Solve for x
    x = 209,577,388,926.16/467,790.56
  6. Step 6: Final answer
    x = 448,015.43

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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.