Home / 1,333,270.56-1,839,899.58-721,409.83

Finding the Fourth Proportional to 1,333,270.56, 1,839,899.58 and 721,409.83

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Solution

The fourth proportional to 1,333,270.56, 1,839,899.58 and 721,409.83 is: 995,538.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,270.56 : 1,839,899.58 = 721,409.83 : x
  2. Step 2: Convert to fraction form
    1,333,270.56/1,839,899.58 = 721,409.83/x
  3. Step 3: Cross multiply
    1,333,270.56x = 1,839,899.58 × 721,409.83
  4. Step 4: Simplify right side
    1,333,270.56x = 1,327,321,635,919.84
  5. Step 5: Solve for x
    x = 1,327,321,635,919.84/1,333,270.56
  6. Step 6: Final answer
    x = 995,538.09

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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.