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Finding the Fourth Proportional to 1,775,673, 2,450,428.76 and 970,857

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Solution

The fourth proportional to 1,775,673, 2,450,428.76 and 970,857 is: 1,339,782.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,673 : 2,450,428.76 = 970,857 : x
  2. Step 2: Convert to fraction form
    1,775,673/2,450,428.76 = 970,857/x
  3. Step 3: Cross multiply
    1,775,673x = 2,450,428.76 × 970,857
  4. Step 4: Simplify right side
    1,775,673x = 2,379,015,914,647.32
  5. Step 5: Solve for x
    x = 2,379,015,914,647.32/1,775,673
  6. Step 6: Final answer
    x = 1,339,782.67

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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.