Home / 264,006.40-396,009.60-262,451.20

Finding the Fourth Proportional to 264,006.40, 396,009.60 and 262,451.20

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Solution

The fourth proportional to 264,006.40, 396,009.60 and 262,451.20 is: 393,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,006.40 : 396,009.60 = 262,451.20 : x
  2. Step 2: Convert to fraction form
    264,006.40/396,009.60 = 262,451.20/x
  3. Step 3: Cross multiply
    264,006.40x = 396,009.60 × 262,451.20
  4. Step 4: Simplify right side
    264,006.40x = 103,933,194,731.52
  5. Step 5: Solve for x
    x = 103,933,194,731.52/264,006.40
  6. Step 6: Final answer
    x = 393,676.80

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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.