Home / 681,650.90-1,022,629.95-401,023.70

Finding the Fourth Proportional to 681,650.90, 1,022,629.95 and 401,023.70

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Solution

The fourth proportional to 681,650.90, 1,022,629.95 and 401,023.70 is: 601,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,650.90 : 1,022,629.95 = 401,023.70 : x
  2. Step 2: Convert to fraction form
    681,650.90/1,022,629.95 = 401,023.70/x
  3. Step 3: Cross multiply
    681,650.90x = 1,022,629.95 × 401,023.70
  4. Step 4: Simplify right side
    681,650.90x = 410,098,846,279.82
  5. Step 5: Solve for x
    x = 410,098,846,279.82/681,650.90
  6. Step 6: Final answer
    x = 601,625.91

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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.