Home / 792,838.80-1,093,910.40-470,620.80

Finding the Fourth Proportional to 792,838.80, 1,093,910.40 and 470,620.80

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Solution

The fourth proportional to 792,838.80, 1,093,910.40 and 470,620.80 is: 649,333.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,838.80 : 1,093,910.40 = 470,620.80 : x
  2. Step 2: Convert to fraction form
    792,838.80/1,093,910.40 = 470,620.80/x
  3. Step 3: Cross multiply
    792,838.80x = 1,093,910.40 × 470,620.80
  4. Step 4: Simplify right side
    792,838.80x = 514,816,987,576.32
  5. Step 5: Solve for x
    x = 514,816,987,576.32/792,838.80
  6. Step 6: Final answer
    x = 649,333.75

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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.