Home / 777,235.50-1,165,352.27-327,836.16

Finding the Fourth Proportional to 777,235.50, 1,165,352.27 and 327,836.16

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Solution

The fourth proportional to 777,235.50, 1,165,352.27 and 327,836.16 is: 491,542.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,235.50 : 1,165,352.27 = 327,836.16 : x
  2. Step 2: Convert to fraction form
    777,235.50/1,165,352.27 = 327,836.16/x
  3. Step 3: Cross multiply
    777,235.50x = 1,165,352.27 × 327,836.16
  4. Step 4: Simplify right side
    777,235.50x = 382,044,611,604.90
  5. Step 5: Solve for x
    x = 382,044,611,604.90/777,235.50
  6. Step 6: Final answer
    x = 491,542.93

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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.