Home / 951,198.56-1,312,653.69-521,469.47

Finding the Fourth Proportional to 951,198.56, 1,312,653.69 and 521,469.47

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Solution

The fourth proportional to 951,198.56, 1,312,653.69 and 521,469.47 is: 719,627.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,198.56 : 1,312,653.69 = 521,469.47 : x
  2. Step 2: Convert to fraction form
    951,198.56/1,312,653.69 = 521,469.47/x
  3. Step 3: Cross multiply
    951,198.56x = 1,312,653.69 × 521,469.47
  4. Step 4: Simplify right side
    951,198.56x = 684,508,817,454.58
  5. Step 5: Solve for x
    x = 684,508,817,454.58/951,198.56
  6. Step 6: Final answer
    x = 719,627.69

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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.