Home / 1,230,906.60-1,846,532.70-389,370.60

Finding the Fourth Proportional to 1,230,906.60, 1,846,532.70 and 389,370.60

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Solution

The fourth proportional to 1,230,906.60, 1,846,532.70 and 389,370.60 is: 584,110.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,906.60 : 1,846,532.70 = 389,370.60 : x
  2. Step 2: Convert to fraction form
    1,230,906.60/1,846,532.70 = 389,370.60/x
  3. Step 3: Cross multiply
    1,230,906.60x = 1,846,532.70 × 389,370.60
  4. Step 4: Simplify right side
    1,230,906.60x = 718,985,545,318.62
  5. Step 5: Solve for x
    x = 718,985,545,318.62/1,230,906.60
  6. Step 6: Final answer
    x = 584,110.56

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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.