Home / 1,679,782.14-2,519,682.46-417,609.78

Finding the Fourth Proportional to 1,679,782.14, 2,519,682.46 and 417,609.78

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Solution

The fourth proportional to 1,679,782.14, 2,519,682.46 and 417,609.78 is: 626,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,782.14 : 2,519,682.46 = 417,609.78 : x
  2. Step 2: Convert to fraction form
    1,679,782.14/2,519,682.46 = 417,609.78/x
  3. Step 3: Cross multiply
    1,679,782.14x = 2,519,682.46 × 417,609.78
  4. Step 4: Simplify right side
    1,679,782.14x = 1,052,244,037,790.46
  5. Step 5: Solve for x
    x = 1,052,244,037,790.46/1,679,782.14
  6. Step 6: Final answer
    x = 626,416.97

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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.