Home / 729,253.95-1,093,742.40-308,825.07

Finding the Fourth Proportional to 729,253.95, 1,093,742.40 and 308,825.07

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Solution

The fourth proportional to 729,253.95, 1,093,742.40 and 308,825.07 is: 463,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,253.95 : 1,093,742.40 = 308,825.07 : x
  2. Step 2: Convert to fraction form
    729,253.95/1,093,742.40 = 308,825.07/x
  3. Step 3: Cross multiply
    729,253.95x = 1,093,742.40 × 308,825.07
  4. Step 4: Simplify right side
    729,253.95x = 337,775,073,241.97
  5. Step 5: Solve for x
    x = 337,775,073,241.97/729,253.95
  6. Step 6: Final answer
    x = 463,178.94

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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.