Home / 1,261,075.88-1,891,930.64-362,519.25

Finding the Fourth Proportional to 1,261,075.88, 1,891,930.64 and 362,519.25

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Solution

The fourth proportional to 1,261,075.88, 1,891,930.64 and 362,519.25 is: 543,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,075.88 : 1,891,930.64 = 362,519.25 : x
  2. Step 2: Convert to fraction form
    1,261,075.88/1,891,930.64 = 362,519.25/x
  3. Step 3: Cross multiply
    1,261,075.88x = 1,891,930.64 × 362,519.25
  4. Step 4: Simplify right side
    1,261,075.88x = 685,861,270,929.53
  5. Step 5: Solve for x
    x = 685,861,270,929.53/1,261,075.88
  6. Step 6: Final answer
    x = 543,869.95

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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.