Home / 755,853.71-1,043,078.04-416,321.96

Finding the Fourth Proportional to 755,853.71, 1,043,078.04 and 416,321.96

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Solution

The fourth proportional to 755,853.71, 1,043,078.04 and 416,321.96 is: 574,524.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,853.71 : 1,043,078.04 = 416,321.96 : x
  2. Step 2: Convert to fraction form
    755,853.71/1,043,078.04 = 416,321.96/x
  3. Step 3: Cross multiply
    755,853.71x = 1,043,078.04 × 416,321.96
  4. Step 4: Simplify right side
    755,853.71x = 434,256,288,830.37
  5. Step 5: Solve for x
    x = 434,256,288,830.37/755,853.71
  6. Step 6: Final answer
    x = 574,524.26

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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.