Home / 467,850.72-645,634.04-252,990.78

Finding the Fourth Proportional to 467,850.72, 645,634.04 and 252,990.78

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Solution

The fourth proportional to 467,850.72, 645,634.04 and 252,990.78 is: 349,127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,850.72 : 645,634.04 = 252,990.78 : x
  2. Step 2: Convert to fraction form
    467,850.72/645,634.04 = 252,990.78/x
  3. Step 3: Cross multiply
    467,850.72x = 645,634.04 × 252,990.78
  4. Step 4: Simplify right side
    467,850.72x = 163,339,458,109.20
  5. Step 5: Solve for x
    x = 163,339,458,109.20/467,850.72
  6. Step 6: Final answer
    x = 349,127.30

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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.