Home / 383,887.20-529,601.04-240,549.60

Finding the Fourth Proportional to 383,887.20, 529,601.04 and 240,549.60

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Solution

The fourth proportional to 383,887.20, 529,601.04 and 240,549.60 is: 331,856.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,887.20 : 529,601.04 = 240,549.60 : x
  2. Step 2: Convert to fraction form
    383,887.20/529,601.04 = 240,549.60/x
  3. Step 3: Cross multiply
    383,887.20x = 529,601.04 × 240,549.60
  4. Step 4: Simplify right side
    383,887.20x = 127,395,318,331.58
  5. Step 5: Solve for x
    x = 127,395,318,331.58/383,887.20
  6. Step 6: Final answer
    x = 331,856.12

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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.