Home / 703,771.51-1,055,025.12-343,738.66

Finding the Fourth Proportional to 703,771.51, 1,055,025.12 and 343,738.66

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Solution

The fourth proportional to 703,771.51, 1,055,025.12 and 343,738.66 is: 515,299.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,771.51 : 1,055,025.12 = 343,738.66 : x
  2. Step 2: Convert to fraction form
    703,771.51/1,055,025.12 = 343,738.66/x
  3. Step 3: Cross multiply
    703,771.51x = 1,055,025.12 × 343,738.66
  4. Step 4: Simplify right side
    703,771.51x = 362,652,915,740.01
  5. Step 5: Solve for x
    x = 362,652,915,740.01/703,771.51
  6. Step 6: Final answer
    x = 515,299.23

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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.