Home / 493,983.72-681,698.21-267,629.22

Finding the Fourth Proportional to 493,983.72, 681,698.21 and 267,629.22

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Solution

The fourth proportional to 493,983.72, 681,698.21 and 267,629.22 is: 369,328.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,983.72 : 681,698.21 = 267,629.22 : x
  2. Step 2: Convert to fraction form
    493,983.72/681,698.21 = 267,629.22/x
  3. Step 3: Cross multiply
    493,983.72x = 681,698.21 × 267,629.22
  4. Step 4: Simplify right side
    493,983.72x = 182,442,358,879.55
  5. Step 5: Solve for x
    x = 182,442,358,879.55/493,983.72
  6. Step 6: Final answer
    x = 369,328.69

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1.5x scale

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.