Home / 785,413.44-1,083,958.52-475,486.85

Finding the Fourth Proportional to 785,413.44, 1,083,958.52 and 475,486.85

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Solution

The fourth proportional to 785,413.44, 1,083,958.52 and 475,486.85 is: 656,225.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,413.44 : 1,083,958.52 = 475,486.85 : x
  2. Step 2: Convert to fraction form
    785,413.44/1,083,958.52 = 475,486.85/x
  3. Step 3: Cross multiply
    785,413.44x = 1,083,958.52 × 475,486.85
  4. Step 4: Simplify right side
    785,413.44x = 515,408,019,067.44
  5. Step 5: Solve for x
    x = 515,408,019,067.44/785,413.44
  6. Step 6: Final answer
    x = 656,225.11

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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.