Home / 1,138,811.24-1,571,505.22-622,591.76

Finding the Fourth Proportional to 1,138,811.24, 1,571,505.22 and 622,591.76

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Solution

The fourth proportional to 1,138,811.24, 1,571,505.22 and 622,591.76 is: 859,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,811.24 : 1,571,505.22 = 622,591.76 : x
  2. Step 2: Convert to fraction form
    1,138,811.24/1,571,505.22 = 622,591.76/x
  3. Step 3: Cross multiply
    1,138,811.24x = 1,571,505.22 × 622,591.76
  4. Step 4: Simplify right side
    1,138,811.24x = 978,406,200,768.99
  5. Step 5: Solve for x
    x = 978,406,200,768.99/1,138,811.24
  6. Step 6: Final answer
    x = 859,146.95

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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.