Home / 647,584.10-971,203.35-226,816.10

Finding the Fourth Proportional to 647,584.10, 971,203.35 and 226,816.10

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Solution

The fourth proportional to 647,584.10, 971,203.35 and 226,816.10 is: 340,163.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,584.10 : 971,203.35 = 226,816.10 : x
  2. Step 2: Convert to fraction form
    647,584.10/971,203.35 = 226,816.10/x
  3. Step 3: Cross multiply
    647,584.10x = 971,203.35 × 226,816.10
  4. Step 4: Simplify right side
    647,584.10x = 220,284,556,153.94
  5. Step 5: Solve for x
    x = 220,284,556,153.94/647,584.10
  6. Step 6: Final answer
    x = 340,163.63

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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.