Home / 1,300,874.04-1,951,311.09-857,538.36

Finding the Fourth Proportional to 1,300,874.04, 1,951,311.09 and 857,538.36

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Solution

The fourth proportional to 1,300,874.04, 1,951,311.09 and 857,538.36 is: 1,286,307.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,874.04 : 1,951,311.09 = 857,538.36 : x
  2. Step 2: Convert to fraction form
    1,300,874.04/1,951,311.09 = 857,538.36/x
  3. Step 3: Cross multiply
    1,300,874.04x = 1,951,311.09 × 857,538.36
  4. Step 4: Simplify right side
    1,300,874.04x = 1,673,324,111,968.41
  5. Step 5: Solve for x
    x = 1,673,324,111,968.41/1,300,874.04
  6. Step 6: Final answer
    x = 1,286,307.56

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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.