Home / 1,285,232.94-1,930,250.64-1,131,413.47

Finding the Fourth Proportional to 1,285,232.94, 1,930,250.64 and 1,131,413.47

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Solution

The fourth proportional to 1,285,232.94, 1,930,250.64 and 1,131,413.47 is: 1,699,234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,232.94 : 1,930,250.64 = 1,131,413.47 : x
  2. Step 2: Convert to fraction form
    1,285,232.94/1,930,250.64 = 1,131,413.47/x
  3. Step 3: Cross multiply
    1,285,232.94x = 1,930,250.64 × 1,131,413.47
  4. Step 4: Simplify right side
    1,285,232.94x = 2,183,911,567,625.09
  5. Step 5: Solve for x
    x = 2,183,911,567,625.09/1,285,232.94
  6. Step 6: Final answer
    x = 1,699,234.05

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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.