Home / 664,922.48-997,241.16-191,519.60

Finding the Fourth Proportional to 664,922.48, 997,241.16 and 191,519.60

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Solution

The fourth proportional to 664,922.48, 997,241.16 and 191,519.60 is: 287,238.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,922.48 : 997,241.16 = 191,519.60 : x
  2. Step 2: Convert to fraction form
    664,922.48/997,241.16 = 191,519.60/x
  3. Step 3: Cross multiply
    664,922.48x = 997,241.16 × 191,519.60
  4. Step 4: Simplify right side
    664,922.48x = 190,991,228,066.74
  5. Step 5: Solve for x
    x = 190,991,228,066.74/664,922.48
  6. Step 6: Final answer
    x = 287,238.34

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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.