Home / 1,006,511.27-1,388,999.24-547,631.28

Finding the Fourth Proportional to 1,006,511.27, 1,388,999.24 and 547,631.28

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Solution

The fourth proportional to 1,006,511.27, 1,388,999.24 and 547,631.28 is: 755,738.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,511.27 : 1,388,999.24 = 547,631.28 : x
  2. Step 2: Convert to fraction form
    1,006,511.27/1,388,999.24 = 547,631.28/x
  3. Step 3: Cross multiply
    1,006,511.27x = 1,388,999.24 × 547,631.28
  4. Step 4: Simplify right side
    1,006,511.27x = 760,659,431,035.69
  5. Step 5: Solve for x
    x = 760,659,431,035.69/1,006,511.27
  6. Step 6: Final answer
    x = 755,738.62

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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.