Home / 460,742.77-691,067.45-123,739.63

Finding the Fourth Proportional to 460,742.77, 691,067.45 and 123,739.63

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Solution

The fourth proportional to 460,742.77, 691,067.45 and 123,739.63 is: 185,596.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,742.77 : 691,067.45 = 123,739.63 : x
  2. Step 2: Convert to fraction form
    460,742.77/691,067.45 = 123,739.63/x
  3. Step 3: Cross multiply
    460,742.77x = 691,067.45 × 123,739.63
  4. Step 4: Simplify right side
    460,742.77x = 85,512,432,340.94
  5. Step 5: Solve for x
    x = 85,512,432,340.94/460,742.77
  6. Step 6: Final answer
    x = 185,596.91

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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.