Home / 511,184.56-766,919.09-223,021.41

Finding the Fourth Proportional to 511,184.56, 766,919.09 and 223,021.41

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Solution

The fourth proportional to 511,184.56, 766,919.09 and 223,021.41 is: 334,594.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,184.56 : 766,919.09 = 223,021.41 : x
  2. Step 2: Convert to fraction form
    511,184.56/766,919.09 = 223,021.41/x
  3. Step 3: Cross multiply
    511,184.56x = 766,919.09 × 223,021.41
  4. Step 4: Simplify right side
    511,184.56x = 171,039,378,627.23
  5. Step 5: Solve for x
    x = 171,039,378,627.23/511,184.56
  6. Step 6: Final answer
    x = 334,594.18

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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.