Home / 439,822.40-659,733.60-262,529.60

Finding the Fourth Proportional to 439,822.40, 659,733.60 and 262,529.60

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Solution

The fourth proportional to 439,822.40, 659,733.60 and 262,529.60 is: 393,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,822.40 : 659,733.60 = 262,529.60 : x
  2. Step 2: Convert to fraction form
    439,822.40/659,733.60 = 262,529.60/x
  3. Step 3: Cross multiply
    439,822.40x = 659,733.60 × 262,529.60
  4. Step 4: Simplify right side
    439,822.40x = 173,199,598,114.56
  5. Step 5: Solve for x
    x = 173,199,598,114.56/439,822.40
  6. Step 6: Final answer
    x = 393,794.40

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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.