Home / 1,189,214.33-1,641,098.04-699,239.21

Finding the Fourth Proportional to 1,189,214.33, 1,641,098.04 and 699,239.21

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Solution

The fourth proportional to 1,189,214.33, 1,641,098.04 and 699,239.21 is: 964,939.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,214.33 : 1,641,098.04 = 699,239.21 : x
  2. Step 2: Convert to fraction form
    1,189,214.33/1,641,098.04 = 699,239.21/x
  3. Step 3: Cross multiply
    1,189,214.33x = 1,641,098.04 × 699,239.21
  4. Step 4: Simplify right side
    1,189,214.33x = 1,147,520,097,022.15
  5. Step 5: Solve for x
    x = 1,147,520,097,022.15/1,189,214.33
  6. Step 6: Final answer
    x = 964,939.68

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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.