Home / 445,198.20-614,370.06-243,993.72

Finding the Fourth Proportional to 445,198.20, 614,370.06 and 243,993.72

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Solution

The fourth proportional to 445,198.20, 614,370.06 and 243,993.72 is: 336,709.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,198.20 : 614,370.06 = 243,993.72 : x
  2. Step 2: Convert to fraction form
    445,198.20/614,370.06 = 243,993.72/x
  3. Step 3: Cross multiply
    445,198.20x = 614,370.06 × 243,993.72
  4. Step 4: Simplify right side
    445,198.20x = 149,902,436,396.02
  5. Step 5: Solve for x
    x = 149,902,436,396.02/445,198.20
  6. Step 6: Final answer
    x = 336,709.44

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Half scale
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Double scale
Find fourth proportional to 445,199.20, 614,371.44 and 243,994.72
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.