Home / 591,185.56-815,836.80-336,536.50

Finding the Fourth Proportional to 591,185.56, 815,836.80 and 336,536.50

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Solution

The fourth proportional to 591,185.56, 815,836.80 and 336,536.50 is: 464,420.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,185.56 : 815,836.80 = 336,536.50 : x
  2. Step 2: Convert to fraction form
    591,185.56/815,836.80 = 336,536.50/x
  3. Step 3: Cross multiply
    591,185.56x = 815,836.80 × 336,536.50
  4. Step 4: Simplify right side
    591,185.56x = 274,558,861,243.20
  5. Step 5: Solve for x
    x = 274,558,861,243.20/591,185.56
  6. Step 6: Final answer
    x = 464,420.78

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1.5x scale

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.