Home / 647,664.60-971,324.10-226,896.60

Finding the Fourth Proportional to 647,664.60, 971,324.10 and 226,896.60

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Solution

The fourth proportional to 647,664.60, 971,324.10 and 226,896.60 is: 340,284.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,664.60 : 971,324.10 = 226,896.60 : x
  2. Step 2: Convert to fraction form
    647,664.60/971,324.10 = 226,896.60/x
  3. Step 3: Cross multiply
    647,664.60x = 971,324.10 × 226,896.60
  4. Step 4: Simplify right side
    647,664.60x = 220,390,135,788.06
  5. Step 5: Solve for x
    x = 220,390,135,788.06/647,664.60
  6. Step 6: Final answer
    x = 340,284.36

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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.