Home / 1,142,163.28-1,576,151.19-625,911

Finding the Fourth Proportional to 1,142,163.28, 1,576,151.19 and 625,911

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Solution

The fourth proportional to 1,142,163.28, 1,576,151.19 and 625,911 is: 863,738.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,163.28 : 1,576,151.19 = 625,911 : x
  2. Step 2: Convert to fraction form
    1,142,163.28/1,576,151.19 = 625,911/x
  3. Step 3: Cross multiply
    1,142,163.28x = 1,576,151.19 × 625,911
  4. Step 4: Simplify right side
    1,142,163.28x = 986,530,367,484.09
  5. Step 5: Solve for x
    x = 986,530,367,484.09/1,142,163.28
  6. Step 6: Final answer
    x = 863,738.47

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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.