Home / 446,720.40-670,858.20-236,768.40

Finding the Fourth Proportional to 446,720.40, 670,858.20 and 236,768.40

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Solution

The fourth proportional to 446,720.40, 670,858.20 and 236,768.40 is: 355,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,720.40 : 670,858.20 = 236,768.40 : x
  2. Step 2: Convert to fraction form
    446,720.40/670,858.20 = 236,768.40/x
  3. Step 3: Cross multiply
    446,720.40x = 670,858.20 × 236,768.40
  4. Step 4: Simplify right side
    446,720.40x = 158,838,022,640.88
  5. Step 5: Solve for x
    x = 158,838,022,640.88/446,720.40
  6. Step 6: Final answer
    x = 355,564.74

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1.5x scale

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.