Home / 999,549.03-1,499,321.73-325,629.54

Finding the Fourth Proportional to 999,549.03, 1,499,321.73 and 325,629.54

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Solution

The fourth proportional to 999,549.03, 1,499,321.73 and 325,629.54 is: 488,443.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,549.03 : 1,499,321.73 = 325,629.54 : x
  2. Step 2: Convert to fraction form
    999,549.03/1,499,321.73 = 325,629.54/x
  3. Step 3: Cross multiply
    999,549.03x = 1,499,321.73 × 325,629.54
  4. Step 4: Simplify right side
    999,549.03x = 488,223,445,251.90
  5. Step 5: Solve for x
    x = 488,223,445,251.90/999,549.03
  6. Step 6: Final answer
    x = 488,443.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.