Home / 1,075,072.09-1,610,716.41-1,011,069.53

Finding the Fourth Proportional to 1,075,072.09, 1,610,716.41 and 1,011,069.53

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Solution

The fourth proportional to 1,075,072.09, 1,610,716.41 and 1,011,069.53 is: 1,514,825.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,072.09 : 1,610,716.41 = 1,011,069.53 : x
  2. Step 2: Convert to fraction form
    1,075,072.09/1,610,716.41 = 1,011,069.53/x
  3. Step 3: Cross multiply
    1,075,072.09x = 1,610,716.41 × 1,011,069.53
  4. Step 4: Simplify right side
    1,075,072.09x = 1,628,546,287,648.78
  5. Step 5: Solve for x
    x = 1,628,546,287,648.78/1,075,072.09
  6. Step 6: Final answer
    x = 1,514,825.20

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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.