Home / 595,629.78-821,164.20-404,311.02

Finding the Fourth Proportional to 595,629.78, 821,164.20 and 404,311.02

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Solution

The fourth proportional to 595,629.78, 821,164.20 and 404,311.02 is: 557,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,629.78 : 821,164.20 = 404,311.02 : x
  2. Step 2: Convert to fraction form
    595,629.78/821,164.20 = 404,311.02/x
  3. Step 3: Cross multiply
    595,629.78x = 821,164.20 × 404,311.02
  4. Step 4: Simplify right side
    595,629.78x = 332,005,735,289.48
  5. Step 5: Solve for x
    x = 332,005,735,289.48/595,629.78
  6. Step 6: Final answer
    x = 557,402.85

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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.