Home / 1,299,663.44-1,949,521.89-401,105.73

Finding the Fourth Proportional to 1,299,663.44, 1,949,521.89 and 401,105.73

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Solution

The fourth proportional to 1,299,663.44, 1,949,521.89 and 401,105.73 is: 601,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,663.44 : 1,949,521.89 = 401,105.73 : x
  2. Step 2: Convert to fraction form
    1,299,663.44/1,949,521.89 = 401,105.73/x
  3. Step 3: Cross multiply
    1,299,663.44x = 1,949,521.89 × 401,105.73
  4. Step 4: Simplify right side
    1,299,663.44x = 781,964,400,839.43
  5. Step 5: Solve for x
    x = 781,964,400,839.43/1,299,663.44
  6. Step 6: Final answer
    x = 601,666.85

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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.