Home / 811,601.28-1,217,554.92-250,504.56

Finding the Fourth Proportional to 811,601.28, 1,217,554.92 and 250,504.56

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Solution

The fourth proportional to 811,601.28, 1,217,554.92 and 250,504.56 is: 375,804.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,601.28 : 1,217,554.92 = 250,504.56 : x
  2. Step 2: Convert to fraction form
    811,601.28/1,217,554.92 = 250,504.56/x
  3. Step 3: Cross multiply
    811,601.28x = 1,217,554.92 × 250,504.56
  4. Step 4: Simplify right side
    811,601.28x = 305,003,059,510.44
  5. Step 5: Solve for x
    x = 305,003,059,510.44/811,601.28
  6. Step 6: Final answer
    x = 375,804.06

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Double scale
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Similar ratio
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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.