Home / 1,322,473.78-1,825,015.02-718,861.78

Finding the Fourth Proportional to 1,322,473.78, 1,825,015.02 and 718,861.78

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Solution

The fourth proportional to 1,322,473.78, 1,825,015.02 and 718,861.78 is: 992,029.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,473.78 : 1,825,015.02 = 718,861.78 : x
  2. Step 2: Convert to fraction form
    1,322,473.78/1,825,015.02 = 718,861.78/x
  3. Step 3: Cross multiply
    1,322,473.78x = 1,825,015.02 × 718,861.78
  4. Step 4: Simplify right side
    1,322,473.78x = 1,311,933,545,803.94
  5. Step 5: Solve for x
    x = 1,311,933,545,803.94/1,322,473.78
  6. Step 6: Final answer
    x = 992,029.91

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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.