Home / 451,027.46-622,136.25-290,092.42

Finding the Fourth Proportional to 451,027.46, 622,136.25 and 290,092.42

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Solution

The fourth proportional to 451,027.46, 622,136.25 and 290,092.42 is: 400,146.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,027.46 : 622,136.25 = 290,092.42 : x
  2. Step 2: Convert to fraction form
    451,027.46/622,136.25 = 290,092.42/x
  3. Step 3: Cross multiply
    451,027.46x = 622,136.25 × 290,092.42
  4. Step 4: Simplify right side
    451,027.46x = 180,477,010,332.23
  5. Step 5: Solve for x
    x = 180,477,010,332.23/451,027.46
  6. Step 6: Final answer
    x = 400,146.39

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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.