Home / 831,123.17-1,246,684.99-200,036.98

Finding the Fourth Proportional to 831,123.17, 1,246,684.99 and 200,036.98

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Solution

The fourth proportional to 831,123.17, 1,246,684.99 and 200,036.98 is: 300,055.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,123.17 : 1,246,684.99 = 200,036.98 : x
  2. Step 2: Convert to fraction form
    831,123.17/1,246,684.99 = 200,036.98/x
  3. Step 3: Cross multiply
    831,123.17x = 1,246,684.99 × 200,036.98
  4. Step 4: Simplify right side
    831,123.17x = 249,383,100,410.93
  5. Step 5: Solve for x
    x = 249,383,100,410.93/831,123.17
  6. Step 6: Final answer
    x = 300,055.53

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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.