Home / 1,238,241.37-1,857,362.46-817,418.83

Finding the Fourth Proportional to 1,238,241.37, 1,857,362.46 and 817,418.83

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Solution

The fourth proportional to 1,238,241.37, 1,857,362.46 and 817,418.83 is: 1,226,128.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,241.37 : 1,857,362.46 = 817,418.83 : x
  2. Step 2: Convert to fraction form
    1,238,241.37/1,857,362.46 = 817,418.83/x
  3. Step 3: Cross multiply
    1,238,241.37x = 1,857,362.46 × 817,418.83
  4. Step 4: Simplify right side
    1,238,241.37x = 1,518,243,048,939.12
  5. Step 5: Solve for x
    x = 1,518,243,048,939.12/1,238,241.37
  6. Step 6: Final answer
    x = 1,226,128.51

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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.