Home / 1,156,198-1,595,553.24-646,998.80

Finding the Fourth Proportional to 1,156,198, 1,595,553.24 and 646,998.80

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Solution

The fourth proportional to 1,156,198, 1,595,553.24 and 646,998.80 is: 892,858.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,198 : 1,595,553.24 = 646,998.80 : x
  2. Step 2: Convert to fraction form
    1,156,198/1,595,553.24 = 646,998.80/x
  3. Step 3: Cross multiply
    1,156,198x = 1,595,553.24 × 646,998.80
  4. Step 4: Simplify right side
    1,156,198x = 1,032,321,031,616.11
  5. Step 5: Solve for x
    x = 1,032,321,031,616.11/1,156,198
  6. Step 6: Final answer
    x = 892,858.34

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Double scale
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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.