Home / 816,538.32-1,126,847.30-448,996.37

Finding the Fourth Proportional to 816,538.32, 1,126,847.30 and 448,996.37

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Solution

The fourth proportional to 816,538.32, 1,126,847.30 and 448,996.37 is: 619,628.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,538.32 : 1,126,847.30 = 448,996.37 : x
  2. Step 2: Convert to fraction form
    816,538.32/1,126,847.30 = 448,996.37/x
  3. Step 3: Cross multiply
    816,538.32x = 1,126,847.30 × 448,996.37
  4. Step 4: Simplify right side
    816,538.32x = 505,950,339,365.08
  5. Step 5: Solve for x
    x = 505,950,339,365.08/816,538.32
  6. Step 6: Final answer
    x = 619,628.41

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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.