Home / 1,183,255.70-1,632,892.64-639,391.46

Finding the Fourth Proportional to 1,183,255.70, 1,632,892.64 and 639,391.46

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Solution

The fourth proportional to 1,183,255.70, 1,632,892.64 and 639,391.46 is: 882,360.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,255.70 : 1,632,892.64 = 639,391.46 : x
  2. Step 2: Convert to fraction form
    1,183,255.70/1,632,892.64 = 639,391.46/x
  3. Step 3: Cross multiply
    1,183,255.70x = 1,632,892.64 × 639,391.46
  4. Step 4: Simplify right side
    1,183,255.70x = 1,044,057,597,751.43
  5. Step 5: Solve for x
    x = 1,044,057,597,751.43/1,183,255.70
  6. Step 6: Final answer
    x = 882,360.09

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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.