Home / 941,258.09-1,298,935.60-511,538.31

Finding the Fourth Proportional to 941,258.09, 1,298,935.60 and 511,538.31

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Solution

The fourth proportional to 941,258.09, 1,298,935.60 and 511,538.31 is: 705,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,258.09 : 1,298,935.60 = 511,538.31 : x
  2. Step 2: Convert to fraction form
    941,258.09/1,298,935.60 = 511,538.31/x
  3. Step 3: Cross multiply
    941,258.09x = 1,298,935.60 × 511,538.31
  4. Step 4: Simplify right side
    941,258.09x = 664,455,320,343.99
  5. Step 5: Solve for x
    x = 664,455,320,343.99/941,258.09
  6. Step 6: Final answer
    x = 705,922.56

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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.