Home / 990,954.33-1,367,132.36-700,992.15

Finding the Fourth Proportional to 990,954.33, 1,367,132.36 and 700,992.15

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Solution

The fourth proportional to 990,954.33, 1,367,132.36 and 700,992.15 is: 967,097.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,954.33 : 1,367,132.36 = 700,992.15 : x
  2. Step 2: Convert to fraction form
    990,954.33/1,367,132.36 = 700,992.15/x
  3. Step 3: Cross multiply
    990,954.33x = 1,367,132.36 × 700,992.15
  4. Step 4: Simplify right side
    990,954.33x = 958,349,048,866.01
  5. Step 5: Solve for x
    x = 958,349,048,866.01/990,954.33
  6. Step 6: Final answer
    x = 967,097.09

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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.