Home / 513,440.42-769,643.04-214,086.30

Finding the Fourth Proportional to 513,440.42, 769,643.04 and 214,086.30

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Solution

The fourth proportional to 513,440.42, 769,643.04 and 214,086.30 is: 320,913.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,440.42 : 769,643.04 = 214,086.30 : x
  2. Step 2: Convert to fraction form
    513,440.42/769,643.04 = 214,086.30/x
  3. Step 3: Cross multiply
    513,440.42x = 769,643.04 × 214,086.30
  4. Step 4: Simplify right side
    513,440.42x = 164,770,030,754.35
  5. Step 5: Solve for x
    x = 164,770,030,754.35/513,440.42
  6. Step 6: Final answer
    x = 320,913.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.