Home / 1,493,932.86-2,061,039.84-919,976.58

Finding the Fourth Proportional to 1,493,932.86, 2,061,039.84 and 919,976.58

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Solution

The fourth proportional to 1,493,932.86, 2,061,039.84 and 919,976.58 is: 1,269,205.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,932.86 : 2,061,039.84 = 919,976.58 : x
  2. Step 2: Convert to fraction form
    1,493,932.86/2,061,039.84 = 919,976.58/x
  3. Step 3: Cross multiply
    1,493,932.86x = 2,061,039.84 × 919,976.58
  4. Step 4: Simplify right side
    1,493,932.86x = 1,896,108,383,246.95
  5. Step 5: Solve for x
    x = 1,896,108,383,246.95/1,493,932.86
  6. Step 6: Final answer
    x = 1,269,205.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.