Home / 827,739.40-1,241,954.70-266,945.80

Finding the Fourth Proportional to 827,739.40, 1,241,954.70 and 266,945.80

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Solution

The fourth proportional to 827,739.40, 1,241,954.70 and 266,945.80 is: 400,530.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,739.40 : 1,241,954.70 = 266,945.80 : x
  2. Step 2: Convert to fraction form
    827,739.40/1,241,954.70 = 266,945.80/x
  3. Step 3: Cross multiply
    827,739.40x = 1,241,954.70 × 266,945.80
  4. Step 4: Simplify right side
    827,739.40x = 331,534,590,955.26
  5. Step 5: Solve for x
    x = 331,534,590,955.26/827,739.40
  6. Step 6: Final answer
    x = 400,530.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.