Home / 855,565.44-1,180,708.08-492,960.48

Finding the Fourth Proportional to 855,565.44, 1,180,708.08 and 492,960.48

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Solution

The fourth proportional to 855,565.44, 1,180,708.08 and 492,960.48 is: 680,301.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,565.44 : 1,180,708.08 = 492,960.48 : x
  2. Step 2: Convert to fraction form
    855,565.44/1,180,708.08 = 492,960.48/x
  3. Step 3: Cross multiply
    855,565.44x = 1,180,708.08 × 492,960.48
  4. Step 4: Simplify right side
    855,565.44x = 582,042,421,856.68
  5. Step 5: Solve for x
    x = 582,042,421,856.68/855,565.44
  6. Step 6: Final answer
    x = 680,301.46

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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.