Home / 558,379.96-837,846.71-221,413.39

Finding the Fourth Proportional to 558,379.96, 837,846.71 and 221,413.39

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Solution

The fourth proportional to 558,379.96, 837,846.71 and 221,413.39 is: 332,229.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,379.96 : 837,846.71 = 221,413.39 : x
  2. Step 2: Convert to fraction form
    558,379.96/837,846.71 = 221,413.39/x
  3. Step 3: Cross multiply
    558,379.96x = 837,846.71 × 221,413.39
  4. Step 4: Simplify right side
    558,379.96x = 185,510,480,361.45
  5. Step 5: Solve for x
    x = 185,510,480,361.45/558,379.96
  6. Step 6: Final answer
    x = 332,229.83

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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.