Home / 1,079,211.06-1,489,314.53-589,181.38

Finding the Fourth Proportional to 1,079,211.06, 1,489,314.53 and 589,181.38

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Solution

The fourth proportional to 1,079,211.06, 1,489,314.53 and 589,181.38 is: 813,072.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,211.06 : 1,489,314.53 = 589,181.38 : x
  2. Step 2: Convert to fraction form
    1,079,211.06/1,489,314.53 = 589,181.38/x
  3. Step 3: Cross multiply
    1,079,211.06x = 1,489,314.53 × 589,181.38
  4. Step 4: Simplify right side
    1,079,211.06x = 877,476,387,789.12
  5. Step 5: Solve for x
    x = 877,476,387,789.12/1,079,211.06
  6. Step 6: Final answer
    x = 813,072.09

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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.