Home / 685,143.41-1,027,690.47-179,700.35

Finding the Fourth Proportional to 685,143.41, 1,027,690.47 and 179,700.35

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Solution

The fourth proportional to 685,143.41, 1,027,690.47 and 179,700.35 is: 269,544.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,143.41 : 1,027,690.47 = 179,700.35 : x
  2. Step 2: Convert to fraction form
    685,143.41/1,027,690.47 = 179,700.35/x
  3. Step 3: Cross multiply
    685,143.41x = 1,027,690.47 × 179,700.35
  4. Step 4: Simplify right side
    685,143.41x = 184,676,332,012.21
  5. Step 5: Solve for x
    x = 184,676,332,012.21/685,143.41
  6. Step 6: Final answer
    x = 269,544.06

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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.