Home / 1,105,785.78-1,526,033.47-622,382.23

Finding the Fourth Proportional to 1,105,785.78, 1,526,033.47 and 622,382.23

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Solution

The fourth proportional to 1,105,785.78, 1,526,033.47 and 622,382.23 is: 858,915.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,785.78 : 1,526,033.47 = 622,382.23 : x
  2. Step 2: Convert to fraction form
    1,105,785.78/1,526,033.47 = 622,382.23/x
  3. Step 3: Cross multiply
    1,105,785.78x = 1,526,033.47 × 622,382.23
  4. Step 4: Simplify right side
    1,105,785.78x = 949,776,115,631.79
  5. Step 5: Solve for x
    x = 949,776,115,631.79/1,105,785.78
  6. Step 6: Final answer
    x = 858,915.11

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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.