Home / 1,129,255.88-1,558,375.76-619,991.04

Finding the Fourth Proportional to 1,129,255.88, 1,558,375.76 and 619,991.04

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Solution

The fourth proportional to 1,129,255.88, 1,558,375.76 and 619,991.04 is: 855,589.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,255.88 : 1,558,375.76 = 619,991.04 : x
  2. Step 2: Convert to fraction form
    1,129,255.88/1,558,375.76 = 619,991.04/x
  3. Step 3: Cross multiply
    1,129,255.88x = 1,558,375.76 × 619,991.04
  4. Step 4: Simplify right side
    1,129,255.88x = 966,179,008,153.19
  5. Step 5: Solve for x
    x = 966,179,008,153.19/1,129,255.88
  6. Step 6: Final answer
    x = 855,589.09

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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.