Home / 1,226,665.62-1,840,245.21-427,732.65

Finding the Fourth Proportional to 1,226,665.62, 1,840,245.21 and 427,732.65

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Solution

The fourth proportional to 1,226,665.62, 1,840,245.21 and 427,732.65 is: 641,685.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,665.62 : 1,840,245.21 = 427,732.65 : x
  2. Step 2: Convert to fraction form
    1,226,665.62/1,840,245.21 = 427,732.65/x
  3. Step 3: Cross multiply
    1,226,665.62x = 1,840,245.21 × 427,732.65
  4. Step 4: Simplify right side
    1,226,665.62x = 787,132,960,323.11
  5. Step 5: Solve for x
    x = 787,132,960,323.11/1,226,665.62
  6. Step 6: Final answer
    x = 641,685.03

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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.