Home / 1,264,190.63-1,896,287.76-516,236.63

Finding the Fourth Proportional to 1,264,190.63, 1,896,287.76 and 516,236.63

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Solution

The fourth proportional to 1,264,190.63, 1,896,287.76 and 516,236.63 is: 774,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,190.63 : 1,896,287.76 = 516,236.63 : x
  2. Step 2: Convert to fraction form
    1,264,190.63/1,896,287.76 = 516,236.63/x
  3. Step 3: Cross multiply
    1,264,190.63x = 1,896,287.76 × 516,236.63
  4. Step 4: Simplify right side
    1,264,190.63x = 978,933,193,251.21
  5. Step 5: Solve for x
    x = 978,933,193,251.21/1,264,190.63
  6. Step 6: Final answer
    x = 774,355.68

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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.