Home / 1,302,858.81-1,797,901.52-722,057.22

Finding the Fourth Proportional to 1,302,858.81, 1,797,901.52 and 722,057.22

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Solution

The fourth proportional to 1,302,858.81, 1,797,901.52 and 722,057.22 is: 996,414.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,858.81 : 1,797,901.52 = 722,057.22 : x
  2. Step 2: Convert to fraction form
    1,302,858.81/1,797,901.52 = 722,057.22/x
  3. Step 3: Cross multiply
    1,302,858.81x = 1,797,901.52 × 722,057.22
  4. Step 4: Simplify right side
    1,302,858.81x = 1,298,187,769,754.69
  5. Step 5: Solve for x
    x = 1,298,187,769,754.69/1,302,858.81
  6. Step 6: Final answer
    x = 996,414.78

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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.