Home / 451,514.92-623,118.56-250,310.92

Finding the Fourth Proportional to 451,514.92, 623,118.56 and 250,310.92

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Solution

The fourth proportional to 451,514.92, 623,118.56 and 250,310.92 is: 345,444.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,514.92 : 623,118.56 = 250,310.92 : x
  2. Step 2: Convert to fraction form
    451,514.92/623,118.56 = 250,310.92/x
  3. Step 3: Cross multiply
    451,514.92x = 623,118.56 × 250,310.92
  4. Step 4: Simplify right side
    451,514.92x = 155,973,380,022.68
  5. Step 5: Solve for x
    x = 155,973,380,022.68/451,514.92
  6. Step 6: Final answer
    x = 345,444.58

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Double scale
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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.