Home / 439,132.76-605,975.14-245,556.43

Finding the Fourth Proportional to 439,132.76, 605,975.14 and 245,556.43

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Solution

The fourth proportional to 439,132.76, 605,975.14 and 245,556.43 is: 338,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,132.76 : 605,975.14 = 245,556.43 : x
  2. Step 2: Convert to fraction form
    439,132.76/605,975.14 = 245,556.43/x
  3. Step 3: Cross multiply
    439,132.76x = 605,975.14 × 245,556.43
  4. Step 4: Simplify right side
    439,132.76x = 148,801,089,918.32
  5. Step 5: Solve for x
    x = 148,801,089,918.32/439,132.76
  6. Step 6: Final answer
    x = 338,852.18

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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.