Home / 831,021.62-1,246,532.36-199,935.44

Finding the Fourth Proportional to 831,021.62, 1,246,532.36 and 199,935.44

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Solution

The fourth proportional to 831,021.62, 1,246,532.36 and 199,935.44 is: 299,903.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,021.62 : 1,246,532.36 = 199,935.44 : x
  2. Step 2: Convert to fraction form
    831,021.62/1,246,532.36 = 199,935.44/x
  3. Step 3: Cross multiply
    831,021.62x = 1,246,532.36 × 199,935.44
  4. Step 4: Simplify right side
    831,021.62x = 249,225,988,638.50
  5. Step 5: Solve for x
    x = 249,225,988,638.50/831,021.62
  6. Step 6: Final answer
    x = 299,903.13

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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.