Home / 451,273.08-622,398.09-383,514.33

Finding the Fourth Proportional to 451,273.08, 622,398.09 and 383,514.33

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Solution

The fourth proportional to 451,273.08, 622,398.09 and 383,514.33 is: 528,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,273.08 : 622,398.09 = 383,514.33 : x
  2. Step 2: Convert to fraction form
    451,273.08/622,398.09 = 383,514.33/x
  3. Step 3: Cross multiply
    451,273.08x = 622,398.09 × 383,514.33
  4. Step 4: Simplify right side
    451,273.08x = 238,698,586,479.63
  5. Step 5: Solve for x
    x = 238,698,586,479.63/451,273.08
  6. Step 6: Final answer
    x = 528,944.88

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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.