Home / 827,934.11-1,241,901.26-259,359.51

Finding the Fourth Proportional to 827,934.11, 1,241,901.26 and 259,359.51

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Solution

The fourth proportional to 827,934.11, 1,241,901.26 and 259,359.51 is: 389,039.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,934.11 : 1,241,901.26 = 259,359.51 : x
  2. Step 2: Convert to fraction form
    827,934.11/1,241,901.26 = 259,359.51/x
  3. Step 3: Cross multiply
    827,934.11x = 1,241,901.26 × 259,359.51
  4. Step 4: Simplify right side
    827,934.11x = 322,098,900,965.19
  5. Step 5: Solve for x
    x = 322,098,900,965.19/827,934.11
  6. Step 6: Final answer
    x = 389,039.30

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Double scale
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Similar ratio
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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.