Home / 1,837,143.95-2,755,778.09-639,076.61

Finding the Fourth Proportional to 1,837,143.95, 2,755,778.09 and 639,076.61

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Solution

The fourth proportional to 1,837,143.95, 2,755,778.09 and 639,076.61 is: 958,636.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837,143.95 : 2,755,778.09 = 639,076.61 : x
  2. Step 2: Convert to fraction form
    1,837,143.95/2,755,778.09 = 639,076.61/x
  3. Step 3: Cross multiply
    1,837,143.95x = 2,755,778.09 × 639,076.61
  4. Step 4: Simplify right side
    1,837,143.95x = 1,761,153,323,363.54
  5. Step 5: Solve for x
    x = 1,761,153,323,363.54/1,837,143.95
  6. Step 6: Final answer
    x = 958,636.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.