Home / 1,576,977.83-2,176,229.09-851,825.57

Finding the Fourth Proportional to 1,576,977.83, 2,176,229.09 and 851,825.57

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Solution

The fourth proportional to 1,576,977.83, 2,176,229.09 and 851,825.57 is: 1,175,519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,977.83 : 2,176,229.09 = 851,825.57 : x
  2. Step 2: Convert to fraction form
    1,576,977.83/2,176,229.09 = 851,825.57/x
  3. Step 3: Cross multiply
    1,576,977.83x = 2,176,229.09 × 851,825.57
  4. Step 4: Simplify right side
    1,576,977.83x = 1,853,767,569,899.56
  5. Step 5: Solve for x
    x = 1,853,767,569,899.56/1,576,977.83
  6. Step 6: Final answer
    x = 1,175,519.11

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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.