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Finding the Fourth Proportional to 1,119,904.30, 1,679,856.45 and 804,976.30

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Solution

The fourth proportional to 1,119,904.30, 1,679,856.45 and 804,976.30 is: 1,207,464.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,904.30 : 1,679,856.45 = 804,976.30 : x
  2. Step 2: Convert to fraction form
    1,119,904.30/1,679,856.45 = 804,976.30/x
  3. Step 3: Cross multiply
    1,119,904.30x = 1,679,856.45 × 804,976.30
  4. Step 4: Simplify right side
    1,119,904.30x = 1,352,244,629,652.14
  5. Step 5: Solve for x
    x = 1,352,244,629,652.14/1,119,904.30
  6. Step 6: Final answer
    x = 1,207,464.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.