Home / 451,133.24-622,584.54-257,593.36

Finding the Fourth Proportional to 451,133.24, 622,584.54 and 257,593.36

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Solution

The fourth proportional to 451,133.24, 622,584.54 and 257,593.36 is: 355,490.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,133.24 : 622,584.54 = 257,593.36 : x
  2. Step 2: Convert to fraction form
    451,133.24/622,584.54 = 257,593.36/x
  3. Step 3: Cross multiply
    451,133.24x = 622,584.54 × 257,593.36
  4. Step 4: Simplify right side
    451,133.24x = 160,373,643,542.65
  5. Step 5: Solve for x
    x = 160,373,643,542.65/451,133.24
  6. Step 6: Final answer
    x = 355,490.64

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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.