Home / 627,939.90-941,778.09-207,117.18

Finding the Fourth Proportional to 627,939.90, 941,778.09 and 207,117.18

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Solution

The fourth proportional to 627,939.90, 941,778.09 and 207,117.18 is: 310,632.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,939.90 : 941,778.09 = 207,117.18 : x
  2. Step 2: Convert to fraction form
    627,939.90/941,778.09 = 207,117.18/x
  3. Step 3: Cross multiply
    627,939.90x = 941,778.09 × 207,117.18
  4. Step 4: Simplify right side
    627,939.90x = 195,058,422,186.59
  5. Step 5: Solve for x
    x = 195,058,422,186.59/627,939.90
  6. Step 6: Final answer
    x = 310,632.31

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1.5x scale

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.