Home / 1,326,956.69-1,990,049.42-517,160.88

Finding the Fourth Proportional to 1,326,956.69, 1,990,049.42 and 517,160.88

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Solution

The fourth proportional to 1,326,956.69, 1,990,049.42 and 517,160.88 is: 775,591.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,956.69 : 1,990,049.42 = 517,160.88 : x
  2. Step 2: Convert to fraction form
    1,326,956.69/1,990,049.42 = 517,160.88/x
  3. Step 3: Cross multiply
    1,326,956.69x = 1,990,049.42 × 517,160.88
  4. Step 4: Simplify right side
    1,326,956.69x = 1,029,175,705,608.47
  5. Step 5: Solve for x
    x = 1,029,175,705,608.47/1,326,956.69
  6. Step 6: Final answer
    x = 775,591.03

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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.