Home / 639,262.56-882,181.44-352,782.60

Finding the Fourth Proportional to 639,262.56, 882,181.44 and 352,782.60

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Solution

The fourth proportional to 639,262.56, 882,181.44 and 352,782.60 is: 486,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,262.56 : 882,181.44 = 352,782.60 : x
  2. Step 2: Convert to fraction form
    639,262.56/882,181.44 = 352,782.60/x
  3. Step 3: Cross multiply
    639,262.56x = 882,181.44 × 352,782.60
  4. Step 4: Simplify right side
    639,262.56x = 311,218,262,074.94
  5. Step 5: Solve for x
    x = 311,218,262,074.94/639,262.56
  6. Step 6: Final answer
    x = 486,839.50

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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.