Home / 1,128,819.69-1,557,769.91-619,523.37

Finding the Fourth Proportional to 1,128,819.69, 1,557,769.91 and 619,523.37

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Solution

The fourth proportional to 1,128,819.69, 1,557,769.91 and 619,523.37 is: 854,941.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,819.69 : 1,557,769.91 = 619,523.37 : x
  2. Step 2: Convert to fraction form
    1,128,819.69/1,557,769.91 = 619,523.37/x
  3. Step 3: Cross multiply
    1,128,819.69x = 1,557,769.91 × 619,523.37
  4. Step 4: Simplify right side
    1,128,819.69x = 965,074,861,230.18
  5. Step 5: Solve for x
    x = 965,074,861,230.18/1,128,819.69
  6. Step 6: Final answer
    x = 854,941.56

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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.