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Finding the Fourth Proportional to 1,329,509.92, 1,834,856.40 and 792,965.92

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Solution

The fourth proportional to 1,329,509.92, 1,834,856.40 and 792,965.92 is: 1,094,372.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,509.92 : 1,834,856.40 = 792,965.92 : x
  2. Step 2: Convert to fraction form
    1,329,509.92/1,834,856.40 = 792,965.92/x
  3. Step 3: Cross multiply
    1,329,509.92x = 1,834,856.40 × 792,965.92
  4. Step 4: Simplify right side
    1,329,509.92x = 1,454,978,593,293.89
  5. Step 5: Solve for x
    x = 1,454,978,593,293.89/1,329,509.92
  6. Step 6: Final answer
    x = 1,094,372.12

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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.