Home / 439,840.20-659,464.65-173,463.60

Finding the Fourth Proportional to 439,840.20, 659,464.65 and 173,463.60

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Solution

The fourth proportional to 439,840.20, 659,464.65 and 173,463.60 is: 260,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,840.20 : 659,464.65 = 173,463.60 : x
  2. Step 2: Convert to fraction form
    439,840.20/659,464.65 = 173,463.60/x
  3. Step 3: Cross multiply
    439,840.20x = 659,464.65 × 173,463.60
  4. Step 4: Simplify right side
    439,840.20x = 114,393,112,261.74
  5. Step 5: Solve for x
    x = 114,393,112,261.74/439,840.20
  6. Step 6: Final answer
    x = 260,078.80

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1.5x scale

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.