Home / 938,829.41-1,295,584.93-509,109.43

Finding the Fourth Proportional to 938,829.41, 1,295,584.93 and 509,109.43

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Solution

The fourth proportional to 938,829.41, 1,295,584.93 and 509,109.43 is: 702,571.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,829.41 : 1,295,584.93 = 509,109.43 : x
  2. Step 2: Convert to fraction form
    938,829.41/1,295,584.93 = 509,109.43/x
  3. Step 3: Cross multiply
    938,829.41x = 1,295,584.93 × 509,109.43
  4. Step 4: Simplify right side
    938,829.41x = 659,594,498,750.97
  5. Step 5: Solve for x
    x = 659,594,498,750.97/938,829.41
  6. Step 6: Final answer
    x = 702,571.19

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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.