Home / 1,069,239.80-1,603,861.77-259,620.82

Finding the Fourth Proportional to 1,069,239.80, 1,603,861.77 and 259,620.82

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Solution

The fourth proportional to 1,069,239.80, 1,603,861.77 and 259,620.82 is: 389,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,239.80 : 1,603,861.77 = 259,620.82 : x
  2. Step 2: Convert to fraction form
    1,069,239.80/1,603,861.77 = 259,620.82/x
  3. Step 3: Cross multiply
    1,069,239.80x = 1,603,861.77 × 259,620.82
  4. Step 4: Simplify right side
    1,069,239.80x = 416,395,907,894.05
  5. Step 5: Solve for x
    x = 416,395,907,894.05/1,069,239.80
  6. Step 6: Final answer
    x = 389,431.73

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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.