Home / 1,192,191.36-1,649,556.41-1,039,547.85

Finding the Fourth Proportional to 1,192,191.36, 1,649,556.41 and 1,039,547.85

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Solution

The fourth proportional to 1,192,191.36, 1,649,556.41 and 1,039,547.85 is: 1,438,353.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,191.36 : 1,649,556.41 = 1,039,547.85 : x
  2. Step 2: Convert to fraction form
    1,192,191.36/1,649,556.41 = 1,039,547.85/x
  3. Step 3: Cross multiply
    1,192,191.36x = 1,649,556.41 × 1,039,547.85
  4. Step 4: Simplify right side
    1,192,191.36x = 1,714,792,819,469.22
  5. Step 5: Solve for x
    x = 1,714,792,819,469.22/1,192,191.36
  6. Step 6: Final answer
    x = 1,438,353.67

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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.