Home / 827,516.50-1,241,272.54-220,304.82

Finding the Fourth Proportional to 827,516.50, 1,241,272.54 and 220,304.82

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Solution

The fourth proportional to 827,516.50, 1,241,272.54 and 220,304.82 is: 330,456.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,516.50 : 1,241,272.54 = 220,304.82 : x
  2. Step 2: Convert to fraction form
    827,516.50/1,241,272.54 = 220,304.82/x
  3. Step 3: Cross multiply
    827,516.50x = 1,241,272.54 × 220,304.82
  4. Step 4: Simplify right side
    827,516.50x = 273,458,323,495.64
  5. Step 5: Solve for x
    x = 273,458,323,495.64/827,516.50
  6. Step 6: Final answer
    x = 330,456.64

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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.