Home / 831,123.92-1,246,686.11-200,037.73

Finding the Fourth Proportional to 831,123.92, 1,246,686.11 and 200,037.73

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Solution

The fourth proportional to 831,123.92, 1,246,686.11 and 200,037.73 is: 300,056.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,123.92 : 1,246,686.11 = 200,037.73 : x
  2. Step 2: Convert to fraction form
    831,123.92/1,246,686.11 = 200,037.73/x
  3. Step 3: Cross multiply
    831,123.92x = 1,246,686.11 × 200,037.73
  4. Step 4: Simplify right side
    831,123.92x = 249,384,259,466.93
  5. Step 5: Solve for x
    x = 249,384,259,466.93/831,123.92
  6. Step 6: Final answer
    x = 300,056.65

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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.