Home / 1,420,669.91-2,131,023.33-474,040.64

Finding the Fourth Proportional to 1,420,669.91, 2,131,023.33 and 474,040.64

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Solution

The fourth proportional to 1,420,669.91, 2,131,023.33 and 474,040.64 is: 711,067.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,669.91 : 2,131,023.33 = 474,040.64 : x
  2. Step 2: Convert to fraction form
    1,420,669.91/2,131,023.33 = 474,040.64/x
  3. Step 3: Cross multiply
    1,420,669.91x = 2,131,023.33 × 474,040.64
  4. Step 4: Simplify right side
    1,420,669.91x = 1,010,191,652,553.01
  5. Step 5: Solve for x
    x = 1,010,191,652,553.01/1,420,669.91
  6. Step 6: Final answer
    x = 711,067.12

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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.