Home / 923,843.70-1,385,765.55-619,413.30

Finding the Fourth Proportional to 923,843.70, 1,385,765.55 and 619,413.30

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Solution

The fourth proportional to 923,843.70, 1,385,765.55 and 619,413.30 is: 929,119.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,843.70 : 1,385,765.55 = 619,413.30 : x
  2. Step 2: Convert to fraction form
    923,843.70/1,385,765.55 = 619,413.30/x
  3. Step 3: Cross multiply
    923,843.70x = 1,385,765.55 × 619,413.30
  4. Step 4: Simplify right side
    923,843.70x = 858,361,612,351.82
  5. Step 5: Solve for x
    x = 858,361,612,351.82/923,843.70
  6. Step 6: Final answer
    x = 929,119.95

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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.