Home / 1,356,651.56-1,872,356.64-783,696.44

Finding the Fourth Proportional to 1,356,651.56, 1,872,356.64 and 783,696.44

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Solution

The fourth proportional to 1,356,651.56, 1,872,356.64 and 783,696.44 is: 1,081,603.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,651.56 : 1,872,356.64 = 783,696.44 : x
  2. Step 2: Convert to fraction form
    1,356,651.56/1,872,356.64 = 783,696.44/x
  3. Step 3: Cross multiply
    1,356,651.56x = 1,872,356.64 × 783,696.44
  4. Step 4: Simplify right side
    1,356,651.56x = 1,467,359,233,178.36
  5. Step 5: Solve for x
    x = 1,467,359,233,178.36/1,356,651.56
  6. Step 6: Final answer
    x = 1,081,603.62

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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.