Home / 1,768,772.80-2,440,992.96-994,647.20

Finding the Fourth Proportional to 1,768,772.80, 2,440,992.96 and 994,647.20

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Solution

The fourth proportional to 1,768,772.80, 2,440,992.96 and 994,647.20 is: 1,372,661.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,772.80 : 2,440,992.96 = 994,647.20 : x
  2. Step 2: Convert to fraction form
    1,768,772.80/2,440,992.96 = 994,647.20/x
  3. Step 3: Cross multiply
    1,768,772.80x = 2,440,992.96 × 994,647.20
  4. Step 4: Simplify right side
    1,768,772.80x = 2,427,926,812,883.71
  5. Step 5: Solve for x
    x = 2,427,926,812,883.71/1,768,772.80
  6. Step 6: Final answer
    x = 1,372,661.78

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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.