Home / 405,824.21-559,932.33-242,413.85

Finding the Fourth Proportional to 405,824.21, 559,932.33 and 242,413.85

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Solution

The fourth proportional to 405,824.21, 559,932.33 and 242,413.85 is: 334,468.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,824.21 : 559,932.33 = 242,413.85 : x
  2. Step 2: Convert to fraction form
    405,824.21/559,932.33 = 242,413.85/x
  3. Step 3: Cross multiply
    405,824.21x = 559,932.33 × 242,413.85
  4. Step 4: Simplify right side
    405,824.21x = 135,735,352,800.08
  5. Step 5: Solve for x
    x = 135,735,352,800.08/405,824.21
  6. Step 6: Final answer
    x = 334,468.34

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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.