Home / 424,541.40-635,957.28-196,515.60

Finding the Fourth Proportional to 424,541.40, 635,957.28 and 196,515.60

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Solution

The fourth proportional to 424,541.40, 635,957.28 and 196,515.60 is: 294,377.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,541.40 : 635,957.28 = 196,515.60 : x
  2. Step 2: Convert to fraction form
    424,541.40/635,957.28 = 196,515.60/x
  3. Step 3: Cross multiply
    424,541.40x = 635,957.28 × 196,515.60
  4. Step 4: Simplify right side
    424,541.40x = 124,975,526,453.57
  5. Step 5: Solve for x
    x = 124,975,526,453.57/424,541.40
  6. Step 6: Final answer
    x = 294,377.71

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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.