Home / 694,180.88-957,962.40-388,253.60

Finding the Fourth Proportional to 694,180.88, 957,962.40 and 388,253.60

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Solution

The fourth proportional to 694,180.88, 957,962.40 and 388,253.60 is: 535,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,180.88 : 957,962.40 = 388,253.60 : x
  2. Step 2: Convert to fraction form
    694,180.88/957,962.40 = 388,253.60/x
  3. Step 3: Cross multiply
    694,180.88x = 957,962.40 × 388,253.60
  4. Step 4: Simplify right side
    694,180.88x = 371,932,350,464.64
  5. Step 5: Solve for x
    x = 371,932,350,464.64/694,180.88
  6. Step 6: Final answer
    x = 535,785.93

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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.