Home / 396,413.24-594,710.70-171,811.40

Finding the Fourth Proportional to 396,413.24, 594,710.70 and 171,811.40

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Solution

The fourth proportional to 396,413.24, 594,710.70 and 171,811.40 is: 257,756.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,413.24 : 594,710.70 = 171,811.40 : x
  2. Step 2: Convert to fraction form
    396,413.24/594,710.70 = 171,811.40/x
  3. Step 3: Cross multiply
    396,413.24x = 594,710.70 × 171,811.40
  4. Step 4: Simplify right side
    396,413.24x = 102,178,077,961.98
  5. Step 5: Solve for x
    x = 102,178,077,961.98/396,413.24
  6. Step 6: Final answer
    x = 257,756.47

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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.