Home / 755,879.95-1,043,115.78-411,714.82

Finding the Fourth Proportional to 755,879.95, 1,043,115.78 and 411,714.82

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Solution

The fourth proportional to 755,879.95, 1,043,115.78 and 411,714.82 is: 568,167.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,879.95 : 1,043,115.78 = 411,714.82 : x
  2. Step 2: Convert to fraction form
    755,879.95/1,043,115.78 = 411,714.82/x
  3. Step 3: Cross multiply
    755,879.95x = 1,043,115.78 × 411,714.82
  4. Step 4: Simplify right side
    755,879.95x = 429,466,220,266.26
  5. Step 5: Solve for x
    x = 429,466,220,266.26/755,879.95
  6. Step 6: Final answer
    x = 568,167.23

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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.