Home / 1,972,906.64-2,959,491.18-693,359.36

Finding the Fourth Proportional to 1,972,906.64, 2,959,491.18 and 693,359.36

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Solution

The fourth proportional to 1,972,906.64, 2,959,491.18 and 693,359.36 is: 1,040,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,906.64 : 2,959,491.18 = 693,359.36 : x
  2. Step 2: Convert to fraction form
    1,972,906.64/2,959,491.18 = 693,359.36/x
  3. Step 3: Cross multiply
    1,972,906.64x = 2,959,491.18 × 693,359.36
  4. Step 4: Simplify right side
    1,972,906.64x = 2,051,990,910,490.44
  5. Step 5: Solve for x
    x = 2,051,990,910,490.44/1,972,906.64
  6. Step 6: Final answer
    x = 1,040,085.16

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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.