Home / 905,546.79-1,358,315.19-231,627.06

Finding the Fourth Proportional to 905,546.79, 1,358,315.19 and 231,627.06

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Solution

The fourth proportional to 905,546.79, 1,358,315.19 and 231,627.06 is: 347,439.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,546.79 : 1,358,315.19 = 231,627.06 : x
  2. Step 2: Convert to fraction form
    905,546.79/1,358,315.19 = 231,627.06/x
  3. Step 3: Cross multiply
    905,546.79x = 1,358,315.19 × 231,627.06
  4. Step 4: Simplify right side
    905,546.79x = 314,622,554,013.04
  5. Step 5: Solve for x
    x = 314,622,554,013.04/905,546.79
  6. Step 6: Final answer
    x = 347,439.31

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Double scale
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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.