Home / 1,006,436.36-1,388,893.20-547,553.54

Finding the Fourth Proportional to 1,006,436.36, 1,388,893.20 and 547,553.54

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Solution

The fourth proportional to 1,006,436.36, 1,388,893.20 and 547,553.54 is: 755,629.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,436.36 : 1,388,893.20 = 547,553.54 : x
  2. Step 2: Convert to fraction form
    1,006,436.36/1,388,893.20 = 547,553.54/x
  3. Step 3: Cross multiply
    1,006,436.36x = 1,388,893.20 × 547,553.54
  4. Step 4: Simplify right side
    1,006,436.36x = 760,493,388,341.93
  5. Step 5: Solve for x
    x = 760,493,388,341.93/1,006,436.36
  6. Step 6: Final answer
    x = 755,629.88

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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.