Home / 1,331,932-1,997,899.92-543,964

Finding the Fourth Proportional to 1,331,932, 1,997,899.92 and 543,964

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Solution

The fourth proportional to 1,331,932, 1,997,899.92 and 543,964 is: 815,946.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,932 : 1,997,899.92 = 543,964 : x
  2. Step 2: Convert to fraction form
    1,331,932/1,997,899.92 = 543,964/x
  3. Step 3: Cross multiply
    1,331,932x = 1,997,899.92 × 543,964
  4. Step 4: Simplify right side
    1,331,932x = 1,086,785,632,082.88
  5. Step 5: Solve for x
    x = 1,086,785,632,082.88/1,331,932
  6. Step 6: Final answer
    x = 815,946.78

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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.