Home / 451,270.07-622,393.97-383,511.34

Finding the Fourth Proportional to 451,270.07, 622,393.97 and 383,511.34

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Solution

The fourth proportional to 451,270.07, 622,393.97 and 383,511.34 is: 528,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,270.07 : 622,393.97 = 383,511.34 : x
  2. Step 2: Convert to fraction form
    451,270.07/622,393.97 = 383,511.34/x
  3. Step 3: Cross multiply
    451,270.07x = 622,393.97 × 383,511.34
  4. Step 4: Simplify right side
    451,270.07x = 238,695,141,969.08
  5. Step 5: Solve for x
    x = 238,695,141,969.08/451,270.07
  6. Step 6: Final answer
    x = 528,940.78

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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.