Home / 731,181.71-1,096,458.89-251,457.79

Finding the Fourth Proportional to 731,181.71, 1,096,458.89 and 251,457.79

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Solution

The fourth proportional to 731,181.71, 1,096,458.89 and 251,457.79 is: 377,078.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,181.71 : 1,096,458.89 = 251,457.79 : x
  2. Step 2: Convert to fraction form
    731,181.71/1,096,458.89 = 251,457.79/x
  3. Step 3: Cross multiply
    731,181.71x = 1,096,458.89 × 251,457.79
  4. Step 4: Simplify right side
    731,181.71x = 275,713,129,305.25
  5. Step 5: Solve for x
    x = 275,713,129,305.25/731,181.71
  6. Step 6: Final answer
    x = 377,078.81

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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.