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Finding the Fourth Proportional to 1,339,745.76, 1,848,515.76 and 795,653.28

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Solution

The fourth proportional to 1,339,745.76, 1,848,515.76 and 795,653.28 is: 1,097,803.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,745.76 : 1,848,515.76 = 795,653.28 : x
  2. Step 2: Convert to fraction form
    1,339,745.76/1,848,515.76 = 795,653.28/x
  3. Step 3: Cross multiply
    1,339,745.76x = 1,848,515.76 × 795,653.28
  4. Step 4: Simplify right side
    1,339,745.76x = 1,470,777,627,575.69
  5. Step 5: Solve for x
    x = 1,470,777,627,575.69/1,339,745.76
  6. Step 6: Final answer
    x = 1,097,803.53

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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.