Home / 1,396,162.16-1,926,149.73-807,352.79

Finding the Fourth Proportional to 1,396,162.16, 1,926,149.73 and 807,352.79

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Solution

The fourth proportional to 1,396,162.16, 1,926,149.73 and 807,352.79 is: 1,113,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,162.16 : 1,926,149.73 = 807,352.79 : x
  2. Step 2: Convert to fraction form
    1,396,162.16/1,926,149.73 = 807,352.79/x
  3. Step 3: Cross multiply
    1,396,162.16x = 1,926,149.73 × 807,352.79
  4. Step 4: Simplify right side
    1,396,162.16x = 1,555,082,348,842.50
  5. Step 5: Solve for x
    x = 1,555,082,348,842.50/1,396,162.16
  6. Step 6: Final answer
    x = 1,113,826.46

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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.