Home / 1,189,495.69-1,641,113.16-673,198.30

Finding the Fourth Proportional to 1,189,495.69, 1,641,113.16 and 673,198.30

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Solution

The fourth proportional to 1,189,495.69, 1,641,113.16 and 673,198.30 is: 928,792.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,495.69 : 1,641,113.16 = 673,198.30 : x
  2. Step 2: Convert to fraction form
    1,189,495.69/1,641,113.16 = 673,198.30/x
  3. Step 3: Cross multiply
    1,189,495.69x = 1,641,113.16 × 673,198.30
  4. Step 4: Simplify right side
    1,189,495.69x = 1,104,794,589,419.63
  5. Step 5: Solve for x
    x = 1,104,794,589,419.63/1,189,495.69
  6. Step 6: Final answer
    x = 928,792.43

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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.