Home / 1,438,931.38-1,985,741.40-794,351.92

Finding the Fourth Proportional to 1,438,931.38, 1,985,741.40 and 794,351.92

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Solution

The fourth proportional to 1,438,931.38, 1,985,741.40 and 794,351.92 is: 1,096,214.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,931.38 : 1,985,741.40 = 794,351.92 : x
  2. Step 2: Convert to fraction form
    1,438,931.38/1,985,741.40 = 794,351.92/x
  3. Step 3: Cross multiply
    1,438,931.38x = 1,985,741.40 × 794,351.92
  4. Step 4: Simplify right side
    1,438,931.38x = 1,577,377,493,713.49
  5. Step 5: Solve for x
    x = 1,577,377,493,713.49/1,438,931.38
  6. Step 6: Final answer
    x = 1,096,214.54

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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.