Home / 389,013.44-583,520.15-122,960.81

Finding the Fourth Proportional to 389,013.44, 583,520.15 and 122,960.81

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Solution

The fourth proportional to 389,013.44, 583,520.15 and 122,960.81 is: 184,441.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,013.44 : 583,520.15 = 122,960.81 : x
  2. Step 2: Convert to fraction form
    389,013.44/583,520.15 = 122,960.81/x
  3. Step 3: Cross multiply
    389,013.44x = 583,520.15 × 122,960.81
  4. Step 4: Simplify right side
    389,013.44x = 71,750,107,685.12
  5. Step 5: Solve for x
    x = 71,750,107,685.12/389,013.44
  6. Step 6: Final answer
    x = 184,441.21

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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.