Home / 831,205.23-1,246,808.04-200,119.11

Finding the Fourth Proportional to 831,205.23, 1,246,808.04 and 200,119.11

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Solution

The fourth proportional to 831,205.23, 1,246,808.04 and 200,119.11 is: 300,178.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,205.23 : 1,246,808.04 = 200,119.11 : x
  2. Step 2: Convert to fraction form
    831,205.23/1,246,808.04 = 200,119.11/x
  3. Step 3: Cross multiply
    831,205.23x = 1,246,808.04 × 200,119.11
  4. Step 4: Simplify right side
    831,205.23x = 249,510,115,305.64
  5. Step 5: Solve for x
    x = 249,510,115,305.64/831,205.23
  6. Step 6: Final answer
    x = 300,178.71

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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.