Home / 664,899.84-997,117.44-191,458.56

Finding the Fourth Proportional to 664,899.84, 997,117.44 and 191,458.56

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Solution

The fourth proportional to 664,899.84, 997,117.44 and 191,458.56 is: 287,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,899.84 : 997,117.44 = 191,458.56 : x
  2. Step 2: Convert to fraction form
    664,899.84/997,117.44 = 191,458.56/x
  3. Step 3: Cross multiply
    664,899.84x = 997,117.44 × 191,458.56
  4. Step 4: Simplify right side
    664,899.84x = 190,906,669,213.29
  5. Step 5: Solve for x
    x = 190,906,669,213.29/664,899.84
  6. Step 6: Final answer
    x = 287,120.94

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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.