Home / 777,189.30-1,165,941.10-327,911.28

Finding the Fourth Proportional to 777,189.30, 1,165,941.10 and 327,911.28

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Solution

The fourth proportional to 777,189.30, 1,165,941.10 and 327,911.28 is: 491,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,189.30 : 1,165,941.10 = 327,911.28 : x
  2. Step 2: Convert to fraction form
    777,189.30/1,165,941.10 = 327,911.28/x
  3. Step 3: Cross multiply
    777,189.30x = 1,165,941.10 × 327,911.28
  4. Step 4: Simplify right side
    777,189.30x = 382,325,238,505.61
  5. Step 5: Solve for x
    x = 382,325,238,505.61/777,189.30
  6. Step 6: Final answer
    x = 491,933.22

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1.5x scale

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.