Home / 1,143,505.68-1,577,520.36-713,891.76

Finding the Fourth Proportional to 1,143,505.68, 1,577,520.36 and 713,891.76

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Solution

The fourth proportional to 1,143,505.68, 1,577,520.36 and 713,891.76 is: 984,847.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,505.68 : 1,577,520.36 = 713,891.76 : x
  2. Step 2: Convert to fraction form
    1,143,505.68/1,577,520.36 = 713,891.76/x
  3. Step 3: Cross multiply
    1,143,505.68x = 1,577,520.36 × 713,891.76
  4. Step 4: Simplify right side
    1,143,505.68x = 1,126,178,786,236.23
  5. Step 5: Solve for x
    x = 1,126,178,786,236.23/1,143,505.68
  6. Step 6: Final answer
    x = 984,847.57

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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.