Home / 443,533.20-612,075.43-239,584.05

Finding the Fourth Proportional to 443,533.20, 612,075.43 and 239,584.05

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Solution

The fourth proportional to 443,533.20, 612,075.43 and 239,584.05 is: 330,625.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,533.20 : 612,075.43 = 239,584.05 : x
  2. Step 2: Convert to fraction form
    443,533.20/612,075.43 = 239,584.05/x
  3. Step 3: Cross multiply
    443,533.20x = 612,075.43 × 239,584.05
  4. Step 4: Simplify right side
    443,533.20x = 146,643,510,724.37
  5. Step 5: Solve for x
    x = 146,643,510,724.37/443,533.20
  6. Step 6: Final answer
    x = 330,625.78

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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.