Home / 1,183,887.81-1,633,760.28-640,023.44

Finding the Fourth Proportional to 1,183,887.81, 1,633,760.28 and 640,023.44

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Solution

The fourth proportional to 1,183,887.81, 1,633,760.28 and 640,023.44 is: 883,229.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,887.81 : 1,633,760.28 = 640,023.44 : x
  2. Step 2: Convert to fraction form
    1,183,887.81/1,633,760.28 = 640,023.44/x
  3. Step 3: Cross multiply
    1,183,887.81x = 1,633,760.28 × 640,023.44
  4. Step 4: Simplify right side
    1,183,887.81x = 1,045,644,866,372.16
  5. Step 5: Solve for x
    x = 1,045,644,866,372.16/1,183,887.81
  6. Step 6: Final answer
    x = 883,229.69

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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.