Home / 931,666.21-1,285,744.98-523,896.43

Finding the Fourth Proportional to 931,666.21, 1,285,744.98 and 523,896.43

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Solution

The fourth proportional to 931,666.21, 1,285,744.98 and 523,896.43 is: 723,002.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,666.21 : 1,285,744.98 = 523,896.43 : x
  2. Step 2: Convert to fraction form
    931,666.21/1,285,744.98 = 523,896.43/x
  3. Step 3: Cross multiply
    931,666.21x = 1,285,744.98 × 523,896.43
  4. Step 4: Simplify right side
    931,666.21x = 673,597,204,912.42
  5. Step 5: Solve for x
    x = 673,597,204,912.42/931,666.21
  6. Step 6: Final answer
    x = 723,002.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.