Home / 683,301.20-1,025,105.40-210,008.40

Finding the Fourth Proportional to 683,301.20, 1,025,105.40 and 210,008.40

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Solution

The fourth proportional to 683,301.20, 1,025,105.40 and 210,008.40 is: 315,059.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,301.20 : 1,025,105.40 = 210,008.40 : x
  2. Step 2: Convert to fraction form
    683,301.20/1,025,105.40 = 210,008.40/x
  3. Step 3: Cross multiply
    683,301.20x = 1,025,105.40 × 210,008.40
  4. Step 4: Simplify right side
    683,301.20x = 215,280,744,885.36
  5. Step 5: Solve for x
    x = 215,280,744,885.36/683,301.20
  6. Step 6: Final answer
    x = 315,059.81

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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.