Home / 1,391,618.48-2,086,769.79-539,089.43

Finding the Fourth Proportional to 1,391,618.48, 2,086,769.79 and 539,089.43

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Solution

The fourth proportional to 1,391,618.48, 2,086,769.79 and 539,089.43 is: 808,379.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,618.48 : 2,086,769.79 = 539,089.43 : x
  2. Step 2: Convert to fraction form
    1,391,618.48/2,086,769.79 = 539,089.43/x
  3. Step 3: Cross multiply
    1,391,618.48x = 2,086,769.79 × 539,089.43
  4. Step 4: Simplify right side
    1,391,618.48x = 1,124,955,526,198.47
  5. Step 5: Solve for x
    x = 1,124,955,526,198.47/1,391,618.48
  6. Step 6: Final answer
    x = 808,379.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.