Home / 1,102,191.49-1,520,940.27-618,663.21

Finding the Fourth Proportional to 1,102,191.49, 1,520,940.27 and 618,663.21

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Solution

The fourth proportional to 1,102,191.49, 1,520,940.27 and 618,663.21 is: 853,708.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,191.49 : 1,520,940.27 = 618,663.21 : x
  2. Step 2: Convert to fraction form
    1,102,191.49/1,520,940.27 = 618,663.21/x
  3. Step 3: Cross multiply
    1,102,191.49x = 1,520,940.27 × 618,663.21
  4. Step 4: Simplify right side
    1,102,191.49x = 940,949,789,656.47
  5. Step 5: Solve for x
    x = 940,949,789,656.47/1,102,191.49
  6. Step 6: Final answer
    x = 853,708.09

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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.