Home / 382,968.62-528,487.16-210,885.24

Finding the Fourth Proportional to 382,968.62, 528,487.16 and 210,885.24

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Solution

The fourth proportional to 382,968.62, 528,487.16 and 210,885.24 is: 291,016.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,968.62 : 528,487.16 = 210,885.24 : x
  2. Step 2: Convert to fraction form
    382,968.62/528,487.16 = 210,885.24/x
  3. Step 3: Cross multiply
    382,968.62x = 528,487.16 × 210,885.24
  4. Step 4: Simplify right side
    382,968.62x = 111,450,140,519.09
  5. Step 5: Solve for x
    x = 111,450,140,519.09/382,968.62
  6. Step 6: Final answer
    x = 291,016.38

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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.