Home / 1,969,379.82-2,952,886.68-769,873.50

Finding the Fourth Proportional to 1,969,379.82, 2,952,886.68 and 769,873.50

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Solution

The fourth proportional to 1,969,379.82, 2,952,886.68 and 769,873.50 is: 1,154,347.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,379.82 : 2,952,886.68 = 769,873.50 : x
  2. Step 2: Convert to fraction form
    1,969,379.82/2,952,886.68 = 769,873.50/x
  3. Step 3: Cross multiply
    1,969,379.82x = 2,952,886.68 × 769,873.50
  4. Step 4: Simplify right side
    1,969,379.82x = 2,273,349,203,434.98
  5. Step 5: Solve for x
    x = 2,273,349,203,434.98/1,969,379.82
  6. Step 6: Final answer
    x = 1,154,347.77

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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.