Home / 1,075,412.73-1,483,240.64-667,755.93

Finding the Fourth Proportional to 1,075,412.73, 1,483,240.64 and 667,755.93

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Solution

The fourth proportional to 1,075,412.73, 1,483,240.64 and 667,755.93 is: 920,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,412.73 : 1,483,240.64 = 667,755.93 : x
  2. Step 2: Convert to fraction form
    1,075,412.73/1,483,240.64 = 667,755.93/x
  3. Step 3: Cross multiply
    1,075,412.73x = 1,483,240.64 × 667,755.93
  4. Step 4: Simplify right side
    1,075,412.73x = 990,442,729,638.22
  5. Step 5: Solve for x
    x = 990,442,729,638.22/1,075,412.73
  6. Step 6: Final answer
    x = 920,988.47

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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.