Home / 419,613.02-579,065.96-228,626.41

Finding the Fourth Proportional to 419,613.02, 579,065.96 and 228,626.41

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Solution

The fourth proportional to 419,613.02, 579,065.96 and 228,626.41 is: 315,504.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,613.02 : 579,065.96 = 228,626.41 : x
  2. Step 2: Convert to fraction form
    419,613.02/579,065.96 = 228,626.41/x
  3. Step 3: Cross multiply
    419,613.02x = 579,065.96 × 228,626.41
  4. Step 4: Simplify right side
    419,613.02x = 132,389,771,588.00
  5. Step 5: Solve for x
    x = 132,389,771,588.00/419,613.02
  6. Step 6: Final answer
    x = 315,504.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.