Home / 1,300,868.56-1,951,302.80-857,532.88

Finding the Fourth Proportional to 1,300,868.56, 1,951,302.80 and 857,532.88

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Solution

The fourth proportional to 1,300,868.56, 1,951,302.80 and 857,532.88 is: 1,286,299.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,868.56 : 1,951,302.80 = 857,532.88 : x
  2. Step 2: Convert to fraction form
    1,300,868.56/1,951,302.80 = 857,532.88/x
  3. Step 3: Cross multiply
    1,300,868.56x = 1,951,302.80 × 857,532.88
  4. Step 4: Simplify right side
    1,300,868.56x = 1,673,306,309,836.06
  5. Step 5: Solve for x
    x = 1,673,306,309,836.06/1,300,868.56
  6. Step 6: Final answer
    x = 1,286,299.29

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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.