Home / 831,415.44-1,247,124.23-200,329.26

Finding the Fourth Proportional to 831,415.44, 1,247,124.23 and 200,329.26

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Solution

The fourth proportional to 831,415.44, 1,247,124.23 and 200,329.26 is: 300,494.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,415.44 : 1,247,124.23 = 200,329.26 : x
  2. Step 2: Convert to fraction form
    831,415.44/1,247,124.23 = 200,329.26/x
  3. Step 3: Cross multiply
    831,415.44x = 1,247,124.23 × 200,329.26
  4. Step 4: Simplify right side
    831,415.44x = 249,835,474,123.97
  5. Step 5: Solve for x
    x = 249,835,474,123.97/831,415.44
  6. Step 6: Final answer
    x = 300,494.15

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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.