Home / 647,664.10-971,323.35-226,896.10

Finding the Fourth Proportional to 647,664.10, 971,323.35 and 226,896.10

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Solution

The fourth proportional to 647,664.10, 971,323.35 and 226,896.10 is: 340,283.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,664.10 : 971,323.35 = 226,896.10 : x
  2. Step 2: Convert to fraction form
    647,664.10/971,323.35 = 226,896.10/x
  3. Step 3: Cross multiply
    647,664.10x = 971,323.35 × 226,896.10
  4. Step 4: Simplify right side
    647,664.10x = 220,389,479,953.94
  5. Step 5: Solve for x
    x = 220,389,479,953.94/647,664.10
  6. Step 6: Final answer
    x = 340,283.61

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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.