Home / 1,208,605.86-1,667,923.65-664,792.26

Finding the Fourth Proportional to 1,208,605.86, 1,667,923.65 and 664,792.26

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Solution

The fourth proportional to 1,208,605.86, 1,667,923.65 and 664,792.26 is: 917,439.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,605.86 : 1,667,923.65 = 664,792.26 : x
  2. Step 2: Convert to fraction form
    1,208,605.86/1,667,923.65 = 664,792.26/x
  3. Step 3: Cross multiply
    1,208,605.86x = 1,667,923.65 × 664,792.26
  4. Step 4: Simplify right side
    1,208,605.86x = 1,108,822,735,918.31
  5. Step 5: Solve for x
    x = 1,108,822,735,918.31/1,208,605.86
  6. Step 6: Final answer
    x = 917,439.48

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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.