Home / 1,187,828.69-1,775,218.44-868,650.62

Finding the Fourth Proportional to 1,187,828.69, 1,775,218.44 and 868,650.62

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Solution

The fourth proportional to 1,187,828.69, 1,775,218.44 and 868,650.62 is: 1,298,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,828.69 : 1,775,218.44 = 868,650.62 : x
  2. Step 2: Convert to fraction form
    1,187,828.69/1,775,218.44 = 868,650.62/x
  3. Step 3: Cross multiply
    1,187,828.69x = 1,775,218.44 × 868,650.62
  4. Step 4: Simplify right side
    1,187,828.69x = 1,542,044,592,922.78
  5. Step 5: Solve for x
    x = 1,542,044,592,922.78/1,187,828.69
  6. Step 6: Final answer
    x = 1,298,204.54

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.