Home / 2,579,586.58-3,869,388.87-782,485.54

Finding the Fourth Proportional to 2,579,586.58, 3,869,388.87 and 782,485.54

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Solution

The fourth proportional to 2,579,586.58, 3,869,388.87 and 782,485.54 is: 1,173,731.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579,586.58 : 3,869,388.87 = 782,485.54 : x
  2. Step 2: Convert to fraction form
    2,579,586.58/3,869,388.87 = 782,485.54/x
  3. Step 3: Cross multiply
    2,579,586.58x = 3,869,388.87 × 782,485.54
  4. Step 4: Simplify right side
    2,579,586.58x = 3,027,740,839,411.94
  5. Step 5: Solve for x
    x = 3,027,740,839,411.94/2,579,586.58
  6. Step 6: Final answer
    x = 1,173,731.04

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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.