Home / 827,832.85-1,142,209.78-483,473.30

Finding the Fourth Proportional to 827,832.85, 1,142,209.78 and 483,473.30

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Solution

The fourth proportional to 827,832.85, 1,142,209.78 and 483,473.30 is: 667,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,832.85 : 1,142,209.78 = 483,473.30 : x
  2. Step 2: Convert to fraction form
    827,832.85/1,142,209.78 = 483,473.30/x
  3. Step 3: Cross multiply
    827,832.85x = 1,142,209.78 × 483,473.30
  4. Step 4: Simplify right side
    827,832.85x = 552,227,924,709.14
  5. Step 5: Solve for x
    x = 552,227,924,709.14/827,832.85
  6. Step 6: Final answer
    x = 667,076.60

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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.