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Finding the Fourth Proportional to 1,224,969.73, 1,837,827.60 and 626,351.38

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Solution

The fourth proportional to 1,224,969.73, 1,837,827.60 and 626,351.38 is: 939,717.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,969.73 : 1,837,827.60 = 626,351.38 : x
  2. Step 2: Convert to fraction form
    1,224,969.73/1,837,827.60 = 626,351.38/x
  3. Step 3: Cross multiply
    1,224,969.73x = 1,837,827.60 × 626,351.38
  4. Step 4: Simplify right side
    1,224,969.73x = 1,151,125,853,462.09
  5. Step 5: Solve for x
    x = 1,151,125,853,462.09/1,224,969.73
  6. Step 6: Final answer
    x = 939,717.79

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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.