Home / 1,941,579.42-2,912,789.54-743,501.79

Finding the Fourth Proportional to 1,941,579.42, 2,912,789.54 and 743,501.79

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Solution

The fourth proportional to 1,941,579.42, 2,912,789.54 and 743,501.79 is: 1,115,413.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,579.42 : 2,912,789.54 = 743,501.79 : x
  2. Step 2: Convert to fraction form
    1,941,579.42/2,912,789.54 = 743,501.79/x
  3. Step 3: Cross multiply
    1,941,579.42x = 2,912,789.54 × 743,501.79
  4. Step 4: Simplify right side
    1,941,579.42x = 2,165,664,233,165.77
  5. Step 5: Solve for x
    x = 2,165,664,233,165.77/1,941,579.42
  6. Step 6: Final answer
    x = 1,115,413.67

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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.