Home / 1,300,859.04-1,951,288.56-857,523.36

Finding the Fourth Proportional to 1,300,859.04, 1,951,288.56 and 857,523.36

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Solution

The fourth proportional to 1,300,859.04, 1,951,288.56 and 857,523.36 is: 1,286,285.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,859.04 : 1,951,288.56 = 857,523.36 : x
  2. Step 2: Convert to fraction form
    1,300,859.04/1,951,288.56 = 857,523.36/x
  3. Step 3: Cross multiply
    1,300,859.04x = 1,951,288.56 × 857,523.36
  4. Step 4: Simplify right side
    1,300,859.04x = 1,673,275,522,300.76
  5. Step 5: Solve for x
    x = 1,673,275,522,300.76/1,300,859.04
  6. Step 6: Final answer
    x = 1,286,285.04

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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.