Home / 437,043.15-603,119.37-255,789.60

Finding the Fourth Proportional to 437,043.15, 603,119.37 and 255,789.60

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Solution

The fourth proportional to 437,043.15, 603,119.37 and 255,789.60 is: 352,989.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,043.15 : 603,119.37 = 255,789.60 : x
  2. Step 2: Convert to fraction form
    437,043.15/603,119.37 = 255,789.60/x
  3. Step 3: Cross multiply
    437,043.15x = 603,119.37 × 255,789.60
  4. Step 4: Simplify right side
    437,043.15x = 154,271,662,404.55
  5. Step 5: Solve for x
    x = 154,271,662,404.55/437,043.15
  6. Step 6: Final answer
    x = 352,989.54

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1.5x scale

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.