Home / 591,114-815,742.50-336,481.56

Finding the Fourth Proportional to 591,114, 815,742.50 and 336,481.56

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Solution

The fourth proportional to 591,114, 815,742.50 and 336,481.56 is: 464,347.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,114 : 815,742.50 = 336,481.56 : x
  2. Step 2: Convert to fraction form
    591,114/815,742.50 = 336,481.56/x
  3. Step 3: Cross multiply
    591,114x = 815,742.50 × 336,481.56
  4. Step 4: Simplify right side
    591,114x = 274,482,308,958.30
  5. Step 5: Solve for x
    x = 274,482,308,958.30/591,114
  6. Step 6: Final answer
    x = 464,347.50

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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.