Home / 434,191.11-651,280.78-194,241.57

Finding the Fourth Proportional to 434,191.11, 651,280.78 and 194,241.57

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Solution

The fourth proportional to 434,191.11, 651,280.78 and 194,241.57 is: 291,359.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,191.11 : 651,280.78 = 194,241.57 : x
  2. Step 2: Convert to fraction form
    434,191.11/651,280.78 = 194,241.57/x
  3. Step 3: Cross multiply
    434,191.11x = 651,280.78 × 194,241.57
  4. Step 4: Simplify right side
    434,191.11x = 126,505,801,218.03
  5. Step 5: Solve for x
    x = 126,505,801,218.03/434,191.11
  6. Step 6: Final answer
    x = 291,359.72

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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.