Home / 1,576,982.39-2,176,235.44-851,830.16

Finding the Fourth Proportional to 1,576,982.39, 2,176,235.44 and 851,830.16

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Solution

The fourth proportional to 1,576,982.39, 2,176,235.44 and 851,830.16 is: 1,175,525.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,982.39 : 2,176,235.44 = 851,830.16 : x
  2. Step 2: Convert to fraction form
    1,576,982.39/2,176,235.44 = 851,830.16/x
  3. Step 3: Cross multiply
    1,576,982.39x = 2,176,235.44 × 851,830.16
  4. Step 4: Simplify right side
    1,576,982.39x = 1,853,782,970,042.12
  5. Step 5: Solve for x
    x = 1,853,782,970,042.12/1,576,982.39
  6. Step 6: Final answer
    x = 1,175,525.48

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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.