Home / 1,189,212.27-1,641,149.45-699,091.91

Finding the Fourth Proportional to 1,189,212.27, 1,641,149.45 and 699,091.91

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Solution

The fourth proportional to 1,189,212.27, 1,641,149.45 and 699,091.91 is: 964,768.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,212.27 : 1,641,149.45 = 699,091.91 : x
  2. Step 2: Convert to fraction form
    1,189,212.27/1,641,149.45 = 699,091.91/x
  3. Step 3: Cross multiply
    1,189,212.27x = 1,641,149.45 × 699,091.91
  4. Step 4: Simplify right side
    1,189,212.27x = 1,147,314,291,894.74
  5. Step 5: Solve for x
    x = 1,147,314,291,894.74/1,189,212.27
  6. Step 6: Final answer
    x = 964,768.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.