Home / 1,143,984.42-1,578,668.45-627,736.73

Finding the Fourth Proportional to 1,143,984.42, 1,578,668.45 and 627,736.73

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Solution

The fourth proportional to 1,143,984.42, 1,578,668.45 and 627,736.73 is: 866,260.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,984.42 : 1,578,668.45 = 627,736.73 : x
  2. Step 2: Convert to fraction form
    1,143,984.42/1,578,668.45 = 627,736.73/x
  3. Step 3: Cross multiply
    1,143,984.42x = 1,578,668.45 × 627,736.73
  4. Step 4: Simplify right side
    1,143,984.42x = 990,988,159,525.14
  5. Step 5: Solve for x
    x = 990,988,159,525.14/1,143,984.42
  6. Step 6: Final answer
    x = 866,260.19

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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.