Home / 791,412.54-1,187,102.25-192,376.86

Finding the Fourth Proportional to 791,412.54, 1,187,102.25 and 192,376.86

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Solution

The fourth proportional to 791,412.54, 1,187,102.25 and 192,376.86 is: 288,561.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,412.54 : 1,187,102.25 = 192,376.86 : x
  2. Step 2: Convert to fraction form
    791,412.54/1,187,102.25 = 192,376.86/x
  3. Step 3: Cross multiply
    791,412.54x = 1,187,102.25 × 192,376.86
  4. Step 4: Simplify right side
    791,412.54x = 228,371,003,353.94
  5. Step 5: Solve for x
    x = 228,371,003,353.94/791,412.54
  6. Step 6: Final answer
    x = 288,561.26

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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.