Home / 511,144.73-705,556.88-350,531.45

Finding the Fourth Proportional to 511,144.73, 705,556.88 and 350,531.45

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Solution

The fourth proportional to 511,144.73, 705,556.88 and 350,531.45 is: 483,854.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,144.73 : 705,556.88 = 350,531.45 : x
  2. Step 2: Convert to fraction form
    511,144.73/705,556.88 = 350,531.45/x
  3. Step 3: Cross multiply
    511,144.73x = 705,556.88 × 350,531.45
  4. Step 4: Simplify right side
    511,144.73x = 247,319,870,923.43
  5. Step 5: Solve for x
    x = 247,319,870,923.43/511,144.73
  6. Step 6: Final answer
    x = 483,854.88

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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.