Home / 405,824.15-559,932.25-242,413.79

Finding the Fourth Proportional to 405,824.15, 559,932.25 and 242,413.79

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Solution

The fourth proportional to 405,824.15, 559,932.25 and 242,413.79 is: 334,468.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,824.15 : 559,932.25 = 242,413.79 : x
  2. Step 2: Convert to fraction form
    405,824.15/559,932.25 = 242,413.79/x
  3. Step 3: Cross multiply
    405,824.15x = 559,932.25 × 242,413.79
  4. Step 4: Simplify right side
    405,824.15x = 135,735,297,653.66
  5. Step 5: Solve for x
    x = 135,735,297,653.66/405,824.15
  6. Step 6: Final answer
    x = 334,468.26

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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.