Home / 837,974.66-1,256,973.71-238,936.06

Finding the Fourth Proportional to 837,974.66, 1,256,973.71 and 238,936.06

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Solution

The fourth proportional to 837,974.66, 1,256,973.71 and 238,936.06 is: 358,407.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,974.66 : 1,256,973.71 = 238,936.06 : x
  2. Step 2: Convert to fraction form
    837,974.66/1,256,973.71 = 238,936.06/x
  3. Step 3: Cross multiply
    837,974.66x = 1,256,973.71 × 238,936.06
  4. Step 4: Simplify right side
    837,974.66x = 300,336,341,453.87
  5. Step 5: Solve for x
    x = 300,336,341,453.87/837,974.66
  6. Step 6: Final answer
    x = 358,407.43

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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.