Home / 647,583.10-971,201.85-226,815.10

Finding the Fourth Proportional to 647,583.10, 971,201.85 and 226,815.10

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Solution

The fourth proportional to 647,583.10, 971,201.85 and 226,815.10 is: 340,162.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,583.10 : 971,201.85 = 226,815.10 : x
  2. Step 2: Convert to fraction form
    647,583.10/971,201.85 = 226,815.10/x
  3. Step 3: Cross multiply
    647,583.10x = 971,201.85 × 226,815.10
  4. Step 4: Simplify right side
    647,583.10x = 220,283,244,727.94
  5. Step 5: Solve for x
    x = 220,283,244,727.94/647,583.10
  6. Step 6: Final answer
    x = 340,162.13

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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.