Home / 805,689.11-1,208,533.97-206,650.22

Finding the Fourth Proportional to 805,689.11, 1,208,533.97 and 206,650.22

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Solution

The fourth proportional to 805,689.11, 1,208,533.97 and 206,650.22 is: 309,975.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,689.11 : 1,208,533.97 = 206,650.22 : x
  2. Step 2: Convert to fraction form
    805,689.11/1,208,533.97 = 206,650.22/x
  3. Step 3: Cross multiply
    805,689.11x = 1,208,533.97 × 206,650.22
  4. Step 4: Simplify right side
    805,689.11x = 249,743,810,777.97
  5. Step 5: Solve for x
    x = 249,743,810,777.97/805,689.11
  6. Step 6: Final answer
    x = 309,975.41

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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.