Home / 699,515.29-1,049,274.61-194,103.39

Finding the Fourth Proportional to 699,515.29, 1,049,274.61 and 194,103.39

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Solution

The fourth proportional to 699,515.29, 1,049,274.61 and 194,103.39 is: 291,155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,515.29 : 1,049,274.61 = 194,103.39 : x
  2. Step 2: Convert to fraction form
    699,515.29/1,049,274.61 = 194,103.39/x
  3. Step 3: Cross multiply
    699,515.29x = 1,049,274.61 × 194,103.39
  4. Step 4: Simplify right side
    699,515.29x = 203,667,756,389.28
  5. Step 5: Solve for x
    x = 203,667,756,389.28/699,515.29
  6. Step 6: Final answer
    x = 291,155.55

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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.