Home / 1,786,465.50-2,678,191.73-774,825.54

Finding the Fourth Proportional to 1,786,465.50, 2,678,191.73 and 774,825.54

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Solution

The fourth proportional to 1,786,465.50, 2,678,191.73 and 774,825.54 is: 1,161,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,465.50 : 2,678,191.73 = 774,825.54 : x
  2. Step 2: Convert to fraction form
    1,786,465.50/2,678,191.73 = 774,825.54/x
  3. Step 3: Cross multiply
    1,786,465.50x = 2,678,191.73 × 774,825.54
  4. Step 4: Simplify right side
    1,786,465.50x = 2,075,131,353,420.78
  5. Step 5: Solve for x
    x = 2,075,131,353,420.78/1,786,465.50
  6. Step 6: Final answer
    x = 1,161,584.90

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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.