Home / 591,133.26-815,783.38-322,861.26

Finding the Fourth Proportional to 591,133.26, 815,783.38 and 322,861.26

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Solution

The fourth proportional to 591,133.26, 815,783.38 and 322,861.26 is: 445,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,133.26 : 815,783.38 = 322,861.26 : x
  2. Step 2: Convert to fraction form
    591,133.26/815,783.38 = 322,861.26/x
  3. Step 3: Cross multiply
    591,133.26x = 815,783.38 × 322,861.26
  4. Step 4: Simplify right side
    591,133.26x = 263,384,849,953.86
  5. Step 5: Solve for x
    x = 263,384,849,953.86/591,133.26
  6. Step 6: Final answer
    x = 445,559.18

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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.