Home / 1,988,077.06-2,982,115.53-492,169.06

Finding the Fourth Proportional to 1,988,077.06, 2,982,115.53 and 492,169.06

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Solution

The fourth proportional to 1,988,077.06, 2,982,115.53 and 492,169.06 is: 738,253.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988,077.06 : 2,982,115.53 = 492,169.06 : x
  2. Step 2: Convert to fraction form
    1,988,077.06/2,982,115.53 = 492,169.06/x
  3. Step 3: Cross multiply
    1,988,077.06x = 2,982,115.53 × 492,169.06
  4. Step 4: Simplify right side
    1,988,077.06x = 1,467,704,997,211.50
  5. Step 5: Solve for x
    x = 1,467,704,997,211.50/1,988,077.06
  6. Step 6: Final answer
    x = 738,253.58

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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.