Home / 1,396,193.58-1,926,633.60-784,313.10

Finding the Fourth Proportional to 1,396,193.58, 1,926,633.60 and 784,313.10

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Solution

The fourth proportional to 1,396,193.58, 1,926,633.60 and 784,313.10 is: 1,082,288.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,193.58 : 1,926,633.60 = 784,313.10 : x
  2. Step 2: Convert to fraction form
    1,396,193.58/1,926,633.60 = 784,313.10/x
  3. Step 3: Cross multiply
    1,396,193.58x = 1,926,633.60 × 784,313.10
  4. Step 4: Simplify right side
    1,396,193.58x = 1,511,083,971,380.16
  5. Step 5: Solve for x
    x = 1,511,083,971,380.16/1,396,193.58
  6. Step 6: Final answer
    x = 1,082,288.30

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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.