Home / 728,918.46-1,093,379.04-373,738.32

Finding the Fourth Proportional to 728,918.46, 1,093,379.04 and 373,738.32

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Solution

The fourth proportional to 728,918.46, 1,093,379.04 and 373,738.32 is: 560,608.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,918.46 : 1,093,379.04 = 373,738.32 : x
  2. Step 2: Convert to fraction form
    728,918.46/1,093,379.04 = 373,738.32/x
  3. Step 3: Cross multiply
    728,918.46x = 1,093,379.04 × 373,738.32
  4. Step 4: Simplify right side
    728,918.46x = 408,637,645,532.81
  5. Step 5: Solve for x
    x = 408,637,645,532.81/728,918.46
  6. Step 6: Final answer
    x = 560,608.17

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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.