Home / 389,327.22-583,233.39-255,801.78

Finding the Fourth Proportional to 389,327.22, 583,233.39 and 255,801.78

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Solution

The fourth proportional to 389,327.22, 583,233.39 and 255,801.78 is: 383,205.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,327.22 : 583,233.39 = 255,801.78 : x
  2. Step 2: Convert to fraction form
    389,327.22/583,233.39 = 255,801.78/x
  3. Step 3: Cross multiply
    389,327.22x = 583,233.39 × 255,801.78
  4. Step 4: Simplify right side
    389,327.22x = 149,192,139,317.43
  5. Step 5: Solve for x
    x = 149,192,139,317.43/389,327.22
  6. Step 6: Final answer
    x = 383,205.01

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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.