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Finding the Fourth Proportional to 799,183.72, 1,102,762.02 and 777,679.72

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Solution

The fourth proportional to 799,183.72, 1,102,762.02 and 777,679.72 is: 1,073,089.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,183.72 : 1,102,762.02 = 777,679.72 : x
  2. Step 2: Convert to fraction form
    799,183.72/1,102,762.02 = 777,679.72/x
  3. Step 3: Cross multiply
    799,183.72x = 1,102,762.02 × 777,679.72
  4. Step 4: Simplify right side
    799,183.72x = 857,595,658,940.23
  5. Step 5: Solve for x
    x = 857,595,658,940.23/799,183.72
  6. Step 6: Final answer
    x = 1,073,089.50

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1.5x scale

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.