Home / 990,857.75-1,367,386.31-582,974.96

Finding the Fourth Proportional to 990,857.75, 1,367,386.31 and 582,974.96

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Solution

The fourth proportional to 990,857.75, 1,367,386.31 and 582,974.96 is: 804,506.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,857.75 : 1,367,386.31 = 582,974.96 : x
  2. Step 2: Convert to fraction form
    990,857.75/1,367,386.31 = 582,974.96/x
  3. Step 3: Cross multiply
    990,857.75x = 1,367,386.31 × 582,974.96
  4. Step 4: Simplify right side
    990,857.75x = 797,151,973,997.30
  5. Step 5: Solve for x
    x = 797,151,973,997.30/990,857.75
  6. Step 6: Final answer
    x = 804,506.98

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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.