Home / 765,065.52-1,055,769.22-416,194.37

Finding the Fourth Proportional to 765,065.52, 1,055,769.22 and 416,194.37

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Solution

The fourth proportional to 765,065.52, 1,055,769.22 and 416,194.37 is: 574,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,065.52 : 1,055,769.22 = 416,194.37 : x
  2. Step 2: Convert to fraction form
    765,065.52/1,055,769.22 = 416,194.37/x
  3. Step 3: Cross multiply
    765,065.52x = 1,055,769.22 × 416,194.37
  4. Step 4: Simplify right side
    765,065.52x = 439,405,204,583.82
  5. Step 5: Solve for x
    x = 439,405,204,583.82/765,065.52
  6. Step 6: Final answer
    x = 574,336.70

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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.