Home / 1,438,466.92-2,157,701.46-491,844.76

Finding the Fourth Proportional to 1,438,466.92, 2,157,701.46 and 491,844.76

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Solution

The fourth proportional to 1,438,466.92, 2,157,701.46 and 491,844.76 is: 737,767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,466.92 : 2,157,701.46 = 491,844.76 : x
  2. Step 2: Convert to fraction form
    1,438,466.92/2,157,701.46 = 491,844.76/x
  3. Step 3: Cross multiply
    1,438,466.92x = 2,157,701.46 × 491,844.76
  4. Step 4: Simplify right side
    1,438,466.92x = 1,061,254,156,745.35
  5. Step 5: Solve for x
    x = 1,061,254,156,745.35/1,438,466.92
  6. Step 6: Final answer
    x = 737,767.51

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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.