Home / 1,185,522.24-1,777,389-386,326.56

Finding the Fourth Proportional to 1,185,522.24, 1,777,389 and 386,326.56

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Solution

The fourth proportional to 1,185,522.24, 1,777,389 and 386,326.56 is: 579,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,522.24 : 1,777,389 = 386,326.56 : x
  2. Step 2: Convert to fraction form
    1,185,522.24/1,777,389 = 386,326.56/x
  3. Step 3: Cross multiply
    1,185,522.24x = 1,777,389 × 386,326.56
  4. Step 4: Simplify right side
    1,185,522.24x = 686,652,578,151.84
  5. Step 5: Solve for x
    x = 686,652,578,151.84/1,185,522.24
  6. Step 6: Final answer
    x = 579,198.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.