Home / 451,269.85-622,393.66-383,511.12

Finding the Fourth Proportional to 451,269.85, 622,393.66 and 383,511.12

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Solution

The fourth proportional to 451,269.85, 622,393.66 and 383,511.12 is: 528,940.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,269.85 : 622,393.66 = 383,511.12 : x
  2. Step 2: Convert to fraction form
    451,269.85/622,393.66 = 383,511.12/x
  3. Step 3: Cross multiply
    451,269.85x = 622,393.66 × 383,511.12
  4. Step 4: Simplify right side
    451,269.85x = 238,694,890,586.28
  5. Step 5: Solve for x
    x = 238,694,890,586.28/451,269.85
  6. Step 6: Final answer
    x = 528,940.48

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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.