Home / 682,932.64-942,448.44-377,009.43

Finding the Fourth Proportional to 682,932.64, 942,448.44 and 377,009.43

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Solution

The fourth proportional to 682,932.64, 942,448.44 and 377,009.43 is: 520,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,932.64 : 942,448.44 = 377,009.43 : x
  2. Step 2: Convert to fraction form
    682,932.64/942,448.44 = 377,009.43/x
  3. Step 3: Cross multiply
    682,932.64x = 942,448.44 × 377,009.43
  4. Step 4: Simplify right side
    682,932.64x = 355,311,949,168.79
  5. Step 5: Solve for x
    x = 355,311,949,168.79/682,932.64
  6. Step 6: Final answer
    x = 520,273.78

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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.