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Finding the Fourth Proportional to 1,321,767.06, 1,824,128.69 and 748,811.94

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Solution

The fourth proportional to 1,321,767.06, 1,824,128.69 and 748,811.94 is: 1,033,411.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,767.06 : 1,824,128.69 = 748,811.94 : x
  2. Step 2: Convert to fraction form
    1,321,767.06/1,824,128.69 = 748,811.94/x
  3. Step 3: Cross multiply
    1,321,767.06x = 1,824,128.69 × 748,811.94
  4. Step 4: Simplify right side
    1,321,767.06x = 1,365,929,339,424.50
  5. Step 5: Solve for x
    x = 1,365,929,339,424.50/1,321,767.06
  6. Step 6: Final answer
    x = 1,033,411.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.