Home / 1,448,078.74-1,998,362.46-803,558.92

Finding the Fourth Proportional to 1,448,078.74, 1,998,362.46 and 803,558.92

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Solution

The fourth proportional to 1,448,078.74, 1,998,362.46 and 803,558.92 is: 1,108,918.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,078.74 : 1,998,362.46 = 803,558.92 : x
  2. Step 2: Convert to fraction form
    1,448,078.74/1,998,362.46 = 803,558.92/x
  3. Step 3: Cross multiply
    1,448,078.74x = 1,998,362.46 × 803,558.92
  4. Step 4: Simplify right side
    1,448,078.74x = 1,605,801,980,126.14
  5. Step 5: Solve for x
    x = 1,605,801,980,126.14/1,448,078.74
  6. Step 6: Final answer
    x = 1,108,918.97

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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.