Home / 668,991.41-1,003,495.31-195,686.33

Finding the Fourth Proportional to 668,991.41, 1,003,495.31 and 195,686.33

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Solution

The fourth proportional to 668,991.41, 1,003,495.31 and 195,686.33 is: 293,531.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,991.41 : 1,003,495.31 = 195,686.33 : x
  2. Step 2: Convert to fraction form
    668,991.41/1,003,495.31 = 195,686.33/x
  3. Step 3: Cross multiply
    668,991.41x = 1,003,495.31 × 195,686.33
  4. Step 4: Simplify right side
    668,991.41x = 196,370,308,390.20
  5. Step 5: Solve for x
    x = 196,370,308,390.20/668,991.41
  6. Step 6: Final answer
    x = 293,531.89

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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.