Home / 1,189,394.58-1,783,588.86-479,231.94

Finding the Fourth Proportional to 1,189,394.58, 1,783,588.86 and 479,231.94

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Solution

The fourth proportional to 1,189,394.58, 1,783,588.86 and 479,231.94 is: 718,645.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,394.58 : 1,783,588.86 = 479,231.94 : x
  2. Step 2: Convert to fraction form
    1,189,394.58/1,783,588.86 = 479,231.94/x
  3. Step 3: Cross multiply
    1,189,394.58x = 1,783,588.86 × 479,231.94
  4. Step 4: Simplify right side
    1,189,394.58x = 854,752,749,540.19
  5. Step 5: Solve for x
    x = 854,752,749,540.19/1,189,394.58
  6. Step 6: Final answer
    x = 718,645.24

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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.