Home / 2,109,936.27-3,164,904.44-512,488.59

Finding the Fourth Proportional to 2,109,936.27, 3,164,904.44 and 512,488.59

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Solution

The fourth proportional to 2,109,936.27, 3,164,904.44 and 512,488.59 is: 768,732.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,936.27 : 3,164,904.44 = 512,488.59 : x
  2. Step 2: Convert to fraction form
    2,109,936.27/3,164,904.44 = 512,488.59/x
  3. Step 3: Cross multiply
    2,109,936.27x = 3,164,904.44 × 512,488.59
  4. Step 4: Simplify right side
    2,109,936.27x = 1,621,977,413,299.73
  5. Step 5: Solve for x
    x = 1,621,977,413,299.73/2,109,936.27
  6. Step 6: Final answer
    x = 768,732.89

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Similar ratio
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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.