Home / 382,986.48-528,544.44-221,892.24

Finding the Fourth Proportional to 382,986.48, 528,544.44 and 221,892.24

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Solution

The fourth proportional to 382,986.48, 528,544.44 and 221,892.24 is: 306,224.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,986.48 : 528,544.44 = 221,892.24 : x
  2. Step 2: Convert to fraction form
    382,986.48/528,544.44 = 221,892.24/x
  3. Step 3: Cross multiply
    382,986.48x = 528,544.44 × 221,892.24
  4. Step 4: Simplify right side
    382,986.48x = 117,279,909,731.15
  5. Step 5: Solve for x
    x = 117,279,909,731.15/382,986.48
  6. Step 6: Final answer
    x = 306,224.67

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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.