Home / 2,786,586.18-4,179,841.90-764,827.70

Finding the Fourth Proportional to 2,786,586.18, 4,179,841.90 and 764,827.70

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Solution

The fourth proportional to 2,786,586.18, 4,179,841.90 and 764,827.70 is: 1,147,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,586.18 : 4,179,841.90 = 764,827.70 : x
  2. Step 2: Convert to fraction form
    2,786,586.18/4,179,841.90 = 764,827.70/x
  3. Step 3: Cross multiply
    2,786,586.18x = 4,179,841.90 × 764,827.70
  4. Step 4: Simplify right side
    2,786,586.18x = 3,196,858,843,929.35
  5. Step 5: Solve for x
    x = 3,196,858,843,929.35/2,786,586.18
  6. Step 6: Final answer
    x = 1,147,231.29

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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.