Home / 1,191,489.35-1,786,229.52-517,062.59

Finding the Fourth Proportional to 1,191,489.35, 1,786,229.52 and 517,062.59

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Solution

The fourth proportional to 1,191,489.35, 1,786,229.52 and 517,062.59 is: 775,157.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,489.35 : 1,786,229.52 = 517,062.59 : x
  2. Step 2: Convert to fraction form
    1,191,489.35/1,786,229.52 = 517,062.59/x
  3. Step 3: Cross multiply
    1,191,489.35x = 1,786,229.52 × 517,062.59
  4. Step 4: Simplify right side
    1,191,489.35x = 923,592,457,773.89
  5. Step 5: Solve for x
    x = 923,592,457,773.89/1,191,489.35
  6. Step 6: Final answer
    x = 775,157.97

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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.