Home / 2,659,457-3,989,185.50-664,913

Finding the Fourth Proportional to 2,659,457, 3,989,185.50 and 664,913

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Solution

The fourth proportional to 2,659,457, 3,989,185.50 and 664,913 is: 997,369.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,457 : 3,989,185.50 = 664,913 : x
  2. Step 2: Convert to fraction form
    2,659,457/3,989,185.50 = 664,913/x
  3. Step 3: Cross multiply
    2,659,457x = 3,989,185.50 × 664,913
  4. Step 4: Simplify right side
    2,659,457x = 2,652,461,298,361.50
  5. Step 5: Solve for x
    x = 2,652,461,298,361.50/2,659,457
  6. Step 6: Final answer
    x = 997,369.50

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Half scale
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Double scale
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Similar ratio
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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.