Home / 1,576,977.50-2,176,229.79-851,825.21

Finding the Fourth Proportional to 1,576,977.50, 2,176,229.79 and 851,825.21

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Solution

The fourth proportional to 1,576,977.50, 2,176,229.79 and 851,825.21 is: 1,175,519.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,977.50 : 2,176,229.79 = 851,825.21 : x
  2. Step 2: Convert to fraction form
    1,576,977.50/2,176,229.79 = 851,825.21/x
  3. Step 3: Cross multiply
    1,576,977.50x = 2,176,229.79 × 851,825.21
  4. Step 4: Simplify right side
    1,576,977.50x = 1,853,767,386,993.86
  5. Step 5: Solve for x
    x = 1,853,767,386,993.86/1,576,977.50
  6. Step 6: Final answer
    x = 1,175,519.23

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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.