Home / 851,189.03-1,174,648.84-469,229.48

Finding the Fourth Proportional to 851,189.03, 1,174,648.84 and 469,229.48

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Solution

The fourth proportional to 851,189.03, 1,174,648.84 and 469,229.48 is: 647,541.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,189.03 : 1,174,648.84 = 469,229.48 : x
  2. Step 2: Convert to fraction form
    851,189.03/1,174,648.84 = 469,229.48/x
  3. Step 3: Cross multiply
    851,189.03x = 1,174,648.84 × 469,229.48
  4. Step 4: Simplify right side
    851,189.03x = 551,179,857,329.49
  5. Step 5: Solve for x
    x = 551,179,857,329.49/851,189.03
  6. Step 6: Final answer
    x = 647,541.08

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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.