Home / 1,576,978.50-2,176,231.17-851,826.20

Finding the Fourth Proportional to 1,576,978.50, 2,176,231.17 and 851,826.20

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Solution

The fourth proportional to 1,576,978.50, 2,176,231.17 and 851,826.20 is: 1,175,520.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,978.50 : 2,176,231.17 = 851,826.20 : x
  2. Step 2: Convert to fraction form
    1,576,978.50/2,176,231.17 = 851,826.20/x
  3. Step 3: Cross multiply
    1,576,978.50x = 2,176,231.17 × 851,826.20
  4. Step 4: Simplify right side
    1,576,978.50x = 1,853,770,727,862.65
  5. Step 5: Solve for x
    x = 1,853,770,727,862.65/1,576,978.50
  6. Step 6: Final answer
    x = 1,175,520.61

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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.