Home / 1,474,481.70-2,207,479.77-1,320,623.82

Finding the Fourth Proportional to 1,474,481.70, 2,207,479.77 and 1,320,623.82

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Solution

The fourth proportional to 1,474,481.70, 2,207,479.77 and 1,320,623.82 is: 1,977,135.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,481.70 : 2,207,479.77 = 1,320,623.82 : x
  2. Step 2: Convert to fraction form
    1,474,481.70/2,207,479.77 = 1,320,623.82/x
  3. Step 3: Cross multiply
    1,474,481.70x = 2,207,479.77 × 1,320,623.82
  4. Step 4: Simplify right side
    1,474,481.70x = 2,915,250,366,430.12
  5. Step 5: Solve for x
    x = 2,915,250,366,430.12/1,474,481.70
  6. Step 6: Final answer
    x = 1,977,135.67

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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.