Home / 383,413.30-529,112.45-222,363.83

Finding the Fourth Proportional to 383,413.30, 529,112.45 and 222,363.83

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Solution

The fourth proportional to 383,413.30, 529,112.45 and 222,363.83 is: 306,863.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,413.30 : 529,112.45 = 222,363.83 : x
  2. Step 2: Convert to fraction form
    383,413.30/529,112.45 = 222,363.83/x
  3. Step 3: Cross multiply
    383,413.30x = 529,112.45 × 222,363.83
  4. Step 4: Simplify right side
    383,413.30x = 117,655,472,761.37
  5. Step 5: Solve for x
    x = 117,655,472,761.37/383,413.30
  6. Step 6: Final answer
    x = 306,863.31

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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.