Home / 828,059.82-1,242,089.63-267,094.32

Finding the Fourth Proportional to 828,059.82, 1,242,089.63 and 267,094.32

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Solution

The fourth proportional to 828,059.82, 1,242,089.63 and 267,094.32 is: 400,641.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,059.82 : 1,242,089.63 = 267,094.32 : x
  2. Step 2: Convert to fraction form
    828,059.82/1,242,089.63 = 267,094.32/x
  3. Step 3: Cross multiply
    828,059.82x = 1,242,089.63 × 267,094.32
  4. Step 4: Simplify right side
    828,059.82x = 331,755,083,768.43
  5. Step 5: Solve for x
    x = 331,755,083,768.43/828,059.82
  6. Step 6: Final answer
    x = 400,641.45

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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.