Home / 842,009.64-1,262,163.42-362,550.12

Finding the Fourth Proportional to 842,009.64, 1,262,163.42 and 362,550.12

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Solution

The fourth proportional to 842,009.64, 1,262,163.42 and 362,550.12 is: 543,458.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,009.64 : 1,262,163.42 = 362,550.12 : x
  2. Step 2: Convert to fraction form
    842,009.64/1,262,163.42 = 362,550.12/x
  3. Step 3: Cross multiply
    842,009.64x = 1,262,163.42 × 362,550.12
  4. Step 4: Simplify right side
    842,009.64x = 457,597,499,380.61
  5. Step 5: Solve for x
    x = 457,597,499,380.61/842,009.64
  6. Step 6: Final answer
    x = 543,458.74

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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.