Home / 1,767,075.70-2,438,497.41-1,079,896.78

Finding the Fourth Proportional to 1,767,075.70, 2,438,497.41 and 1,079,896.78

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Solution

The fourth proportional to 1,767,075.70, 2,438,497.41 and 1,079,896.78 is: 1,490,216.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767,075.70 : 2,438,497.41 = 1,079,896.78 : x
  2. Step 2: Convert to fraction form
    1,767,075.70/2,438,497.41 = 1,079,896.78/x
  3. Step 3: Cross multiply
    1,767,075.70x = 2,438,497.41 × 1,079,896.78
  4. Step 4: Simplify right side
    1,767,075.70x = 2,633,325,501,097.34
  5. Step 5: Solve for x
    x = 2,633,325,501,097.34/1,767,075.70
  6. Step 6: Final answer
    x = 1,490,216.58

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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.