Home / 828,083.96-1,142,680.46-479,164.06

Finding the Fourth Proportional to 828,083.96, 1,142,680.46 and 479,164.06

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Solution

The fourth proportional to 828,083.96, 1,142,680.46 and 479,164.06 is: 661,202.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,083.96 : 1,142,680.46 = 479,164.06 : x
  2. Step 2: Convert to fraction form
    828,083.96/1,142,680.46 = 479,164.06/x
  3. Step 3: Cross multiply
    828,083.96x = 1,142,680.46 × 479,164.06
  4. Step 4: Simplify right side
    828,083.96x = 547,531,405,040.61
  5. Step 5: Solve for x
    x = 547,531,405,040.61/828,083.96
  6. Step 6: Final answer
    x = 661,202.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.