Home / 809,072.38-1,116,939.70-591,036.24

Finding the Fourth Proportional to 809,072.38, 1,116,939.70 and 591,036.24

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Solution

The fourth proportional to 809,072.38, 1,116,939.70 and 591,036.24 is: 815,936.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,072.38 : 1,116,939.70 = 591,036.24 : x
  2. Step 2: Convert to fraction form
    809,072.38/1,116,939.70 = 591,036.24/x
  3. Step 3: Cross multiply
    809,072.38x = 1,116,939.70 × 591,036.24
  4. Step 4: Simplify right side
    809,072.38x = 660,151,840,594.73
  5. Step 5: Solve for x
    x = 660,151,840,594.73/809,072.38
  6. Step 6: Final answer
    x = 815,936.69

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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.