Home / 1,119,321.87-1,544,669.42-635,913.56

Finding the Fourth Proportional to 1,119,321.87, 1,544,669.42 and 635,913.56

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Solution

The fourth proportional to 1,119,321.87, 1,544,669.42 and 635,913.56 is: 877,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,321.87 : 1,544,669.42 = 635,913.56 : x
  2. Step 2: Convert to fraction form
    1,119,321.87/1,544,669.42 = 635,913.56/x
  3. Step 3: Cross multiply
    1,119,321.87x = 1,544,669.42 × 635,913.56
  4. Step 4: Simplify right side
    1,119,321.87x = 982,276,218,992.42
  5. Step 5: Solve for x
    x = 982,276,218,992.42/1,119,321.87
  6. Step 6: Final answer
    x = 877,563.68

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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.