Home / 1,143,518.88-1,577,023.38-713,838.72

Finding the Fourth Proportional to 1,143,518.88, 1,577,023.38 and 713,838.72

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Solution

The fourth proportional to 1,143,518.88, 1,577,023.38 and 713,838.72 is: 984,452.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,518.88 : 1,577,023.38 = 713,838.72 : x
  2. Step 2: Convert to fraction form
    1,143,518.88/1,577,023.38 = 713,838.72/x
  3. Step 3: Cross multiply
    1,143,518.88x = 1,577,023.38 × 713,838.72
  4. Step 4: Simplify right side
    1,143,518.88x = 1,125,740,350,989.27
  5. Step 5: Solve for x
    x = 1,125,740,350,989.27/1,143,518.88
  6. Step 6: Final answer
    x = 984,452.79

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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.