Home / 876,393.73-1,314,590.60-211,545.73

Finding the Fourth Proportional to 876,393.73, 1,314,590.60 and 211,545.73

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Solution

The fourth proportional to 876,393.73, 1,314,590.60 and 211,545.73 is: 317,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,393.73 : 1,314,590.60 = 211,545.73 : x
  2. Step 2: Convert to fraction form
    876,393.73/1,314,590.60 = 211,545.73/x
  3. Step 3: Cross multiply
    876,393.73x = 1,314,590.60 × 211,545.73
  4. Step 4: Simplify right side
    876,393.73x = 278,096,028,128.14
  5. Step 5: Solve for x
    x = 278,096,028,128.14/876,393.73
  6. Step 6: Final answer
    x = 317,318.60

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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.