Home / 1,016,998.20-1,525,497.30-258,838.20

Finding the Fourth Proportional to 1,016,998.20, 1,525,497.30 and 258,838.20

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Solution

The fourth proportional to 1,016,998.20, 1,525,497.30 and 258,838.20 is: 388,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,998.20 : 1,525,497.30 = 258,838.20 : x
  2. Step 2: Convert to fraction form
    1,016,998.20/1,525,497.30 = 258,838.20/x
  3. Step 3: Cross multiply
    1,016,998.20x = 1,525,497.30 × 258,838.20
  4. Step 4: Simplify right side
    1,016,998.20x = 394,856,975,236.86
  5. Step 5: Solve for x
    x = 394,856,975,236.86/1,016,998.20
  6. Step 6: Final answer
    x = 388,257.30

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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.