Home / 446,820.40-670,230.60-269,873.20

Finding the Fourth Proportional to 446,820.40, 670,230.60 and 269,873.20

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Solution

The fourth proportional to 446,820.40, 670,230.60 and 269,873.20 is: 404,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,820.40 : 670,230.60 = 269,873.20 : x
  2. Step 2: Convert to fraction form
    446,820.40/670,230.60 = 269,873.20/x
  3. Step 3: Cross multiply
    446,820.40x = 670,230.60 × 269,873.20
  4. Step 4: Simplify right side
    446,820.40x = 180,877,276,759.92
  5. Step 5: Solve for x
    x = 180,877,276,759.92/446,820.40
  6. Step 6: Final answer
    x = 404,809.80

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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.