Home / 791,439.34-1,187,150.46-192,401.21

Finding the Fourth Proportional to 791,439.34, 1,187,150.46 and 192,401.21

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Solution

The fourth proportional to 791,439.34, 1,187,150.46 and 192,401.21 is: 288,599.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,439.34 : 1,187,150.46 = 192,401.21 : x
  2. Step 2: Convert to fraction form
    791,439.34/1,187,150.46 = 192,401.21/x
  3. Step 3: Cross multiply
    791,439.34x = 1,187,150.46 × 192,401.21
  4. Step 4: Simplify right side
    791,439.34x = 228,409,184,956.06
  5. Step 5: Solve for x
    x = 228,409,184,956.06/791,439.34
  6. Step 6: Final answer
    x = 288,599.74

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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.