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Finding the Fourth Proportional to 1,156,871.92, 1,733,047.98 and 796,979.20

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Solution

The fourth proportional to 1,156,871.92, 1,733,047.98 and 796,979.20 is: 1,193,911.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,871.92 : 1,733,047.98 = 796,979.20 : x
  2. Step 2: Convert to fraction form
    1,156,871.92/1,733,047.98 = 796,979.20/x
  3. Step 3: Cross multiply
    1,156,871.92x = 1,733,047.98 × 796,979.20
  4. Step 4: Simplify right side
    1,156,871.92x = 1,381,203,192,662.02
  5. Step 5: Solve for x
    x = 1,381,203,192,662.02/1,156,871.92
  6. Step 6: Final answer
    x = 1,193,911.94

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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.