Home / 685,529.41-1,028,283.10-186,893.41

Finding the Fourth Proportional to 685,529.41, 1,028,283.10 and 186,893.41

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Solution

The fourth proportional to 685,529.41, 1,028,283.10 and 186,893.41 is: 280,337.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,529.41 : 1,028,283.10 = 186,893.41 : x
  2. Step 2: Convert to fraction form
    685,529.41/1,028,283.10 = 186,893.41/x
  3. Step 3: Cross multiply
    685,529.41x = 1,028,283.10 × 186,893.41
  4. Step 4: Simplify right side
    685,529.41x = 192,179,335,004.37
  5. Step 5: Solve for x
    x = 192,179,335,004.37/685,529.41
  6. Step 6: Final answer
    x = 280,337.11

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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.