Home / 446,720.70-670,599.45-269,427.90

Finding the Fourth Proportional to 446,720.70, 670,599.45 and 269,427.90

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Solution

The fourth proportional to 446,720.70, 670,599.45 and 269,427.90 is: 404,454.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,720.70 : 670,599.45 = 269,427.90 : x
  2. Step 2: Convert to fraction form
    446,720.70/670,599.45 = 269,427.90/x
  3. Step 3: Cross multiply
    446,720.70x = 670,599.45 × 269,427.90
  4. Step 4: Simplify right side
    446,720.70x = 180,678,201,554.66
  5. Step 5: Solve for x
    x = 180,678,201,554.66/446,720.70
  6. Step 6: Final answer
    x = 404,454.51

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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.