Home / 1,238,629.26-1,857,946.79-340,083.30

Finding the Fourth Proportional to 1,238,629.26, 1,857,946.79 and 340,083.30

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Solution

The fourth proportional to 1,238,629.26, 1,857,946.79 and 340,083.30 is: 510,125.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,629.26 : 1,857,946.79 = 340,083.30 : x
  2. Step 2: Convert to fraction form
    1,238,629.26/1,857,946.79 = 340,083.30/x
  3. Step 3: Cross multiply
    1,238,629.26x = 1,857,946.79 × 340,083.30
  4. Step 4: Simplify right side
    1,238,629.26x = 631,856,675,567.61
  5. Step 5: Solve for x
    x = 631,856,675,567.61/1,238,629.26
  6. Step 6: Final answer
    x = 510,125.75

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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.