Home / 1,519,991.20-2,097,572.30-840,932.56

Finding the Fourth Proportional to 1,519,991.20, 2,097,572.30 and 840,932.56

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Solution

The fourth proportional to 1,519,991.20, 2,097,572.30 and 840,932.56 is: 1,160,478.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,991.20 : 2,097,572.30 = 840,932.56 : x
  2. Step 2: Convert to fraction form
    1,519,991.20/2,097,572.30 = 840,932.56/x
  3. Step 3: Cross multiply
    1,519,991.20x = 2,097,572.30 × 840,932.56
  4. Step 4: Simplify right side
    1,519,991.20x = 1,763,916,844,024.09
  5. Step 5: Solve for x
    x = 1,763,916,844,024.09/1,519,991.20
  6. Step 6: Final answer
    x = 1,160,478.33

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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.