Home / 389,629.42-583,973.85-189,650.14

Finding the Fourth Proportional to 389,629.42, 583,973.85 and 189,650.14

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Solution

The fourth proportional to 389,629.42, 583,973.85 and 189,650.14 is: 284,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,629.42 : 583,973.85 = 189,650.14 : x
  2. Step 2: Convert to fraction form
    389,629.42/583,973.85 = 189,650.14/x
  3. Step 3: Cross multiply
    389,629.42x = 583,973.85 × 189,650.14
  4. Step 4: Simplify right side
    389,629.42x = 110,750,722,408.84
  5. Step 5: Solve for x
    x = 110,750,722,408.84/389,629.42
  6. Step 6: Final answer
    x = 284,246.30

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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.