Home / 755,556.58-1,042,686.77-411,411.37

Finding the Fourth Proportional to 755,556.58, 1,042,686.77 and 411,411.37

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Solution

The fourth proportional to 755,556.58, 1,042,686.77 and 411,411.37 is: 567,757.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,556.58 : 1,042,686.77 = 411,411.37 : x
  2. Step 2: Convert to fraction form
    755,556.58/1,042,686.77 = 411,411.37/x
  3. Step 3: Cross multiply
    755,556.58x = 1,042,686.77 × 411,411.37
  4. Step 4: Simplify right side
    755,556.58x = 428,973,190,469.52
  5. Step 5: Solve for x
    x = 428,973,190,469.52/755,556.58
  6. Step 6: Final answer
    x = 567,757.86

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Double scale
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1.5x scale

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.