Home / 791,317.30-1,186,977.43-192,278.96

Finding the Fourth Proportional to 791,317.30, 1,186,977.43 and 192,278.96

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Solution

The fourth proportional to 791,317.30, 1,186,977.43 and 192,278.96 is: 288,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,317.30 : 1,186,977.43 = 192,278.96 : x
  2. Step 2: Convert to fraction form
    791,317.30/1,186,977.43 = 192,278.96/x
  3. Step 3: Cross multiply
    791,317.30x = 1,186,977.43 × 192,278.96
  4. Step 4: Simplify right side
    791,317.30x = 228,230,785,783.87
  5. Step 5: Solve for x
    x = 228,230,785,783.87/791,317.30
  6. Step 6: Final answer
    x = 288,418.80

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1.5x scale

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.