Home / 1,171,537.38-1,616,733.27-688,257.90

Finding the Fourth Proportional to 1,171,537.38, 1,616,733.27 and 688,257.90

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Solution

The fourth proportional to 1,171,537.38, 1,616,733.27 and 688,257.90 is: 949,802.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,537.38 : 1,616,733.27 = 688,257.90 : x
  2. Step 2: Convert to fraction form
    1,171,537.38/1,616,733.27 = 688,257.90/x
  3. Step 3: Cross multiply
    1,171,537.38x = 1,616,733.27 × 688,257.90
  4. Step 4: Simplify right side
    1,171,537.38x = 1,112,729,445,270.33
  5. Step 5: Solve for x
    x = 1,112,729,445,270.33/1,171,537.38
  6. Step 6: Final answer
    x = 949,802.77

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Why These Related Problems?

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