Home / 1,318,694.04-1,978,081.38-454,119.66

Finding the Fourth Proportional to 1,318,694.04, 1,978,081.38 and 454,119.66

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Solution

The fourth proportional to 1,318,694.04, 1,978,081.38 and 454,119.66 is: 681,193.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,694.04 : 1,978,081.38 = 454,119.66 : x
  2. Step 2: Convert to fraction form
    1,318,694.04/1,978,081.38 = 454,119.66/x
  3. Step 3: Cross multiply
    1,318,694.04x = 1,978,081.38 × 454,119.66
  4. Step 4: Simplify right side
    1,318,694.04x = 898,285,643,737.93
  5. Step 5: Solve for x
    x = 898,285,643,737.93/1,318,694.04
  6. Step 6: Final answer
    x = 681,193.38

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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.