Home / 1,396,173.68-1,926,165.60-807,364.32

Finding the Fourth Proportional to 1,396,173.68, 1,926,165.60 and 807,364.32

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Solution

The fourth proportional to 1,396,173.68, 1,926,165.60 and 807,364.32 is: 1,113,842.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,173.68 : 1,926,165.60 = 807,364.32 : x
  2. Step 2: Convert to fraction form
    1,396,173.68/1,926,165.60 = 807,364.32/x
  3. Step 3: Cross multiply
    1,396,173.68x = 1,926,165.60 × 807,364.32
  4. Step 4: Simplify right side
    1,396,173.68x = 1,555,117,379,851.39
  5. Step 5: Solve for x
    x = 1,555,117,379,851.39/1,396,173.68
  6. Step 6: Final answer
    x = 1,113,842.36

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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.