Home / 380,816.43-525,526.97-211,050.56

Finding the Fourth Proportional to 380,816.43, 525,526.97 and 211,050.56

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Solution

The fourth proportional to 380,816.43, 525,526.97 and 211,050.56 is: 291,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,816.43 : 525,526.97 = 211,050.56 : x
  2. Step 2: Convert to fraction form
    380,816.43/525,526.97 = 211,050.56/x
  3. Step 3: Cross multiply
    380,816.43x = 525,526.97 × 211,050.56
  4. Step 4: Simplify right side
    380,816.43x = 110,912,757,630.72
  5. Step 5: Solve for x
    x = 110,912,757,630.72/380,816.43
  6. Step 6: Final answer
    x = 291,249.93

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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.