Home / 755,563.95-1,042,696.94-411,418.73

Finding the Fourth Proportional to 755,563.95, 1,042,696.94 and 411,418.73

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Solution

The fourth proportional to 755,563.95, 1,042,696.94 and 411,418.73 is: 567,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,563.95 : 1,042,696.94 = 411,418.73 : x
  2. Step 2: Convert to fraction form
    755,563.95/1,042,696.94 = 411,418.73/x
  3. Step 3: Cross multiply
    755,563.95x = 1,042,696.94 × 411,418.73
  4. Step 4: Simplify right side
    755,563.95x = 428,985,043,559.11
  5. Step 5: Solve for x
    x = 428,985,043,559.11/755,563.95
  6. Step 6: Final answer
    x = 567,768.01

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Double scale
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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.