Home / 664,788.56-997,037.03-191,371.10

Finding the Fourth Proportional to 664,788.56, 997,037.03 and 191,371.10

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Solution

The fourth proportional to 664,788.56, 997,037.03 and 191,371.10 is: 287,014.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,788.56 : 997,037.03 = 191,371.10 : x
  2. Step 2: Convert to fraction form
    664,788.56/997,037.03 = 191,371.10/x
  3. Step 3: Cross multiply
    664,788.56x = 997,037.03 × 191,371.10
  4. Step 4: Simplify right side
    664,788.56x = 190,804,067,229.79
  5. Step 5: Solve for x
    x = 190,804,067,229.79/664,788.56
  6. Step 6: Final answer
    x = 287,014.67

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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.