Home / 816,040.70-1,223,218.65-366,976.70

Finding the Fourth Proportional to 816,040.70, 1,223,218.65 and 366,976.70

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Solution

The fourth proportional to 816,040.70, 1,223,218.65 and 366,976.70 is: 550,086.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,040.70 : 1,223,218.65 = 366,976.70 : x
  2. Step 2: Convert to fraction form
    816,040.70/1,223,218.65 = 366,976.70/x
  3. Step 3: Cross multiply
    816,040.70x = 1,223,218.65 × 366,976.70
  4. Step 4: Simplify right side
    816,040.70x = 448,892,743,555.46
  5. Step 5: Solve for x
    x = 448,892,743,555.46/816,040.70
  6. Step 6: Final answer
    x = 550,086.22

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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.