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Finding the Fourth Proportional to 735,640, 1,097,022.44 and 728,913.64

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Solution

The fourth proportional to 735,640, 1,097,022.44 and 728,913.64 is: 1,086,991.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,640 : 1,097,022.44 = 728,913.64 : x
  2. Step 2: Convert to fraction form
    735,640/1,097,022.44 = 728,913.64/x
  3. Step 3: Cross multiply
    735,640x = 1,097,022.44 × 728,913.64
  4. Step 4: Simplify right side
    735,640x = 799,634,619,902.08
  5. Step 5: Solve for x
    x = 799,634,619,902.08/735,640
  6. Step 6: Final answer
    x = 1,086,991.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.