Home / 411,196.23-567,278.90-320,394.55

Finding the Fourth Proportional to 411,196.23, 567,278.90 and 320,394.55

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Solution

The fourth proportional to 411,196.23, 567,278.90 and 320,394.55 is: 442,010.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,196.23 : 567,278.90 = 320,394.55 : x
  2. Step 2: Convert to fraction form
    411,196.23/567,278.90 = 320,394.55/x
  3. Step 3: Cross multiply
    411,196.23x = 567,278.90 × 320,394.55
  4. Step 4: Simplify right side
    411,196.23x = 181,753,067,890.00
  5. Step 5: Solve for x
    x = 181,753,067,890.00/411,196.23
  6. Step 6: Final answer
    x = 442,010.54

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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.