Home / 1,229,792.36-1,697,115.78-685,963.37

Finding the Fourth Proportional to 1,229,792.36, 1,697,115.78 and 685,963.37

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Solution

The fourth proportional to 1,229,792.36, 1,697,115.78 and 685,963.37 is: 946,630.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,792.36 : 1,697,115.78 = 685,963.37 : x
  2. Step 2: Convert to fraction form
    1,229,792.36/1,697,115.78 = 685,963.37/x
  3. Step 3: Cross multiply
    1,229,792.36x = 1,697,115.78 × 685,963.37
  4. Step 4: Simplify right side
    1,229,792.36x = 1,164,159,256,299.16
  5. Step 5: Solve for x
    x = 1,164,159,256,299.16/1,229,792.36
  6. Step 6: Final answer
    x = 946,630.75

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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.