Home / 941,114.40-1,298,745.76-511,394.56

Finding the Fourth Proportional to 941,114.40, 1,298,745.76 and 511,394.56

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Solution

The fourth proportional to 941,114.40, 1,298,745.76 and 511,394.56 is: 705,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,114.40 : 1,298,745.76 = 511,394.56 : x
  2. Step 2: Convert to fraction form
    941,114.40/1,298,745.76 = 511,394.56/x
  3. Step 3: Cross multiply
    941,114.40x = 1,298,745.76 × 511,394.56
  4. Step 4: Simplify right side
    941,114.40x = 664,171,516,487.07
  5. Step 5: Solve for x
    x = 664,171,516,487.07/941,114.40
  6. Step 6: Final answer
    x = 705,728.78

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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.