Home / 1,317,647.90-1,976,296.88-371,092.43

Finding the Fourth Proportional to 1,317,647.90, 1,976,296.88 and 371,092.43

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Solution

The fourth proportional to 1,317,647.90, 1,976,296.88 and 371,092.43 is: 556,589.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,647.90 : 1,976,296.88 = 371,092.43 : x
  2. Step 2: Convert to fraction form
    1,317,647.90/1,976,296.88 = 371,092.43/x
  3. Step 3: Cross multiply
    1,317,647.90x = 1,976,296.88 × 371,092.43
  4. Step 4: Simplify right side
    1,317,647.90x = 733,388,817,469.09
  5. Step 5: Solve for x
    x = 733,388,817,469.09/1,317,647.90
  6. Step 6: Final answer
    x = 556,589.37

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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.