Home / 1,519,939.90-2,279,173.56-621,024.58

Finding the Fourth Proportional to 1,519,939.90, 2,279,173.56 and 621,024.58

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Solution

The fourth proportional to 1,519,939.90, 2,279,173.56 and 621,024.58 is: 931,236.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,939.90 : 2,279,173.56 = 621,024.58 : x
  2. Step 2: Convert to fraction form
    1,519,939.90/2,279,173.56 = 621,024.58/x
  3. Step 3: Cross multiply
    1,519,939.90x = 2,279,173.56 × 621,024.58
  4. Step 4: Simplify right side
    1,519,939.90x = 1,415,422,802,846.10
  5. Step 5: Solve for x
    x = 1,415,422,802,846.10/1,519,939.90
  6. Step 6: Final answer
    x = 931,236.03

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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.