Home / 513,344.95-769,958.60-134,302.27

Finding the Fourth Proportional to 513,344.95, 769,958.60 and 134,302.27

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Solution

The fourth proportional to 513,344.95, 769,958.60 and 134,302.27 is: 201,438.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,344.95 : 769,958.60 = 134,302.27 : x
  2. Step 2: Convert to fraction form
    513,344.95/769,958.60 = 134,302.27/x
  3. Step 3: Cross multiply
    513,344.95x = 769,958.60 × 134,302.27
  4. Step 4: Simplify right side
    513,344.95x = 103,407,187,786.02
  5. Step 5: Solve for x
    x = 103,407,187,786.02/513,344.95
  6. Step 6: Final answer
    x = 201,438.02

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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.