Home / 1,665,188.78-2,297,960.46-901,242.36

Finding the Fourth Proportional to 1,665,188.78, 2,297,960.46 and 901,242.36

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Solution

The fourth proportional to 1,665,188.78, 2,297,960.46 and 901,242.36 is: 1,243,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,188.78 : 2,297,960.46 = 901,242.36 : x
  2. Step 2: Convert to fraction form
    1,665,188.78/2,297,960.46 = 901,242.36/x
  3. Step 3: Cross multiply
    1,665,188.78x = 2,297,960.46 × 901,242.36
  4. Step 4: Simplify right side
    1,665,188.78x = 2,071,019,308,157.09
  5. Step 5: Solve for x
    x = 2,071,019,308,157.09/1,665,188.78
  6. Step 6: Final answer
    x = 1,243,714.43

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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.