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Finding the Fourth Proportional to 1,042,806, 1,439,072.28 and 565,878

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Solution

The fourth proportional to 1,042,806, 1,439,072.28 and 565,878 is: 780,911.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,806 : 1,439,072.28 = 565,878 : x
  2. Step 2: Convert to fraction form
    1,042,806/1,439,072.28 = 565,878/x
  3. Step 3: Cross multiply
    1,042,806x = 1,439,072.28 × 565,878
  4. Step 4: Simplify right side
    1,042,806x = 814,339,343,661.84
  5. Step 5: Solve for x
    x = 814,339,343,661.84/1,042,806
  6. Step 6: Final answer
    x = 780,911.64

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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.