Home / 451,379.47-622,922.75-257,819.03

Finding the Fourth Proportional to 451,379.47, 622,922.75 and 257,819.03

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Solution

The fourth proportional to 451,379.47, 622,922.75 and 257,819.03 is: 355,801.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,379.47 : 622,922.75 = 257,819.03 : x
  2. Step 2: Convert to fraction form
    451,379.47/622,922.75 = 257,819.03/x
  3. Step 3: Cross multiply
    451,379.47x = 622,922.75 × 257,819.03
  4. Step 4: Simplify right side
    451,379.47x = 160,601,339,169.93
  5. Step 5: Solve for x
    x = 160,601,339,169.93/451,379.47
  6. Step 6: Final answer
    x = 355,801.16

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1.5x scale

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.