Home / 389,253.22-583,829.60-123,040.64

Finding the Fourth Proportional to 389,253.22, 583,829.60 and 123,040.64

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Solution

The fourth proportional to 389,253.22, 583,829.60 and 123,040.64 is: 184,545.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,253.22 : 583,829.60 = 123,040.64 : x
  2. Step 2: Convert to fraction form
    389,253.22/583,829.60 = 123,040.64/x
  3. Step 3: Cross multiply
    389,253.22x = 583,829.60 × 123,040.64
  4. Step 4: Simplify right side
    389,253.22x = 71,834,769,402.12
  5. Step 5: Solve for x
    x = 71,834,769,402.12/389,253.22
  6. Step 6: Final answer
    x = 184,545.09

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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.