Home / 827,997.19-1,241,995.79-267,031.69

Finding the Fourth Proportional to 827,997.19, 1,241,995.79 and 267,031.69

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Solution

The fourth proportional to 827,997.19, 1,241,995.79 and 267,031.69 is: 400,547.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,997.19 : 1,241,995.79 = 267,031.69 : x
  2. Step 2: Convert to fraction form
    827,997.19/1,241,995.79 = 267,031.69/x
  3. Step 3: Cross multiply
    827,997.19x = 1,241,995.79 × 267,031.69
  4. Step 4: Simplify right side
    827,997.19x = 331,652,234,776.59
  5. Step 5: Solve for x
    x = 331,652,234,776.59/827,997.19
  6. Step 6: Final answer
    x = 400,547.54

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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.