Home / 481,139.37-664,120.34-277,326.51

Finding the Fourth Proportional to 481,139.37, 664,120.34 and 277,326.51

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Solution

The fourth proportional to 481,139.37, 664,120.34 and 277,326.51 is: 382,795.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,139.37 : 664,120.34 = 277,326.51 : x
  2. Step 2: Convert to fraction form
    481,139.37/664,120.34 = 277,326.51/x
  3. Step 3: Cross multiply
    481,139.37x = 664,120.34 × 277,326.51
  4. Step 4: Simplify right side
    481,139.37x = 184,178,174,725.58
  5. Step 5: Solve for x
    x = 184,178,174,725.58/481,139.37
  6. Step 6: Final answer
    x = 382,795.89

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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.