Home / 446,821.40-670,232.10-402,584.60

Finding the Fourth Proportional to 446,821.40, 670,232.10 and 402,584.60

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Solution

The fourth proportional to 446,821.40, 670,232.10 and 402,584.60 is: 603,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,821.40 : 670,232.10 = 402,584.60 : x
  2. Step 2: Convert to fraction form
    446,821.40/670,232.10 = 402,584.60/x
  3. Step 3: Cross multiply
    446,821.40x = 670,232.10 × 402,584.60
  4. Step 4: Simplify right side
    446,821.40x = 269,825,121,885.66
  5. Step 5: Solve for x
    x = 269,825,121,885.66/446,821.40
  6. Step 6: Final answer
    x = 603,876.90

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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.