Home / 769,209.13-1,153,814.53-200,589.74

Finding the Fourth Proportional to 769,209.13, 1,153,814.53 and 200,589.74

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Solution

The fourth proportional to 769,209.13, 1,153,814.53 and 200,589.74 is: 300,884.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,209.13 : 1,153,814.53 = 200,589.74 : x
  2. Step 2: Convert to fraction form
    769,209.13/1,153,814.53 = 200,589.74/x
  3. Step 3: Cross multiply
    769,209.13x = 1,153,814.53 × 200,589.74
  4. Step 4: Simplify right side
    769,209.13x = 231,443,355,389.39
  5. Step 5: Solve for x
    x = 231,443,355,389.39/769,209.13
  6. Step 6: Final answer
    x = 300,884.83

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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.