Home / 457,034.43-685,615.49-190,733.97

Finding the Fourth Proportional to 457,034.43, 685,615.49 and 190,733.97

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Solution

The fourth proportional to 457,034.43, 685,615.49 and 190,733.97 is: 286,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,034.43 : 685,615.49 = 190,733.97 : x
  2. Step 2: Convert to fraction form
    457,034.43/685,615.49 = 190,733.97/x
  3. Step 3: Cross multiply
    457,034.43x = 685,615.49 × 190,733.97
  4. Step 4: Simplify right side
    457,034.43x = 130,770,164,301.20
  5. Step 5: Solve for x
    x = 130,770,164,301.20/457,034.43
  6. Step 6: Final answer
    x = 286,127.60

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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.