Home / 646,869.44-970,243.38-305,233.31

Finding the Fourth Proportional to 646,869.44, 970,243.38 and 305,233.31

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Solution

The fourth proportional to 646,869.44, 970,243.38 and 305,233.31 is: 457,821.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,869.44 : 970,243.38 = 305,233.31 : x
  2. Step 2: Convert to fraction form
    646,869.44/970,243.38 = 305,233.31/x
  3. Step 3: Cross multiply
    646,869.44x = 970,243.38 × 305,233.31
  4. Step 4: Simplify right side
    646,869.44x = 296,150,593,531.77
  5. Step 5: Solve for x
    x = 296,150,593,531.77/646,869.44
  6. Step 6: Final answer
    x = 457,821.28

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1.5x scale

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.