Home / 552,776.58-827,836.11-315,399.60

Finding the Fourth Proportional to 552,776.58, 827,836.11 and 315,399.60

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Solution

The fourth proportional to 552,776.58, 827,836.11 and 315,399.60 is: 472,341.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,776.58 : 827,836.11 = 315,399.60 : x
  2. Step 2: Convert to fraction form
    552,776.58/827,836.11 = 315,399.60/x
  3. Step 3: Cross multiply
    552,776.58x = 827,836.11 × 315,399.60
  4. Step 4: Simplify right side
    552,776.58x = 261,099,177,959.56
  5. Step 5: Solve for x
    x = 261,099,177,959.56/552,776.58
  6. Step 6: Final answer
    x = 472,341.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.