Home / 656,087.44-905,467.56-401,606.80

Finding the Fourth Proportional to 656,087.44, 905,467.56 and 401,606.80

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Solution

The fourth proportional to 656,087.44, 905,467.56 and 401,606.80 is: 554,258.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,087.44 : 905,467.56 = 401,606.80 : x
  2. Step 2: Convert to fraction form
    656,087.44/905,467.56 = 401,606.80/x
  3. Step 3: Cross multiply
    656,087.44x = 905,467.56 × 401,606.80
  4. Step 4: Simplify right side
    656,087.44x = 363,641,929,275.41
  5. Step 5: Solve for x
    x = 363,641,929,275.41/656,087.44
  6. Step 6: Final answer
    x = 554,258.33

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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.