Home / 762,212.10-1,143,318.21-201,251.46

Finding the Fourth Proportional to 762,212.10, 1,143,318.21 and 201,251.46

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Solution

The fourth proportional to 762,212.10, 1,143,318.21 and 201,251.46 is: 301,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,212.10 : 1,143,318.21 = 201,251.46 : x
  2. Step 2: Convert to fraction form
    762,212.10/1,143,318.21 = 201,251.46/x
  3. Step 3: Cross multiply
    762,212.10x = 1,143,318.21 × 201,251.46
  4. Step 4: Simplify right side
    762,212.10x = 230,094,459,007.09
  5. Step 5: Solve for x
    x = 230,094,459,007.09/762,212.10
  6. Step 6: Final answer
    x = 301,877.21

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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.