Home / 1,786,489.96-2,678,228.64-774,850.36

Finding the Fourth Proportional to 1,786,489.96, 2,678,228.64 and 774,850.36

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Solution

The fourth proportional to 1,786,489.96, 2,678,228.64 and 774,850.36 is: 1,161,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786,489.96 : 2,678,228.64 = 774,850.36 : x
  2. Step 2: Convert to fraction form
    1,786,489.96/2,678,228.64 = 774,850.36/x
  3. Step 3: Cross multiply
    1,786,489.96x = 2,678,228.64 × 774,850.36
  4. Step 4: Simplify right side
    1,786,489.96x = 2,075,226,425,866.31
  5. Step 5: Solve for x
    x = 2,075,226,425,866.31/1,786,489.96
  6. Step 6: Final answer
    x = 1,161,622.22

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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.