Home / 755,881.89-1,043,118.45-411,716.76

Finding the Fourth Proportional to 755,881.89, 1,043,118.45 and 411,716.76

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Solution

The fourth proportional to 755,881.89, 1,043,118.45 and 411,716.76 is: 568,169.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,881.89 : 1,043,118.45 = 411,716.76 : x
  2. Step 2: Convert to fraction form
    755,881.89/1,043,118.45 = 411,716.76/x
  3. Step 3: Cross multiply
    755,881.89x = 1,043,118.45 × 411,716.76
  4. Step 4: Simplify right side
    755,881.89x = 429,469,348,530.22
  5. Step 5: Solve for x
    x = 429,469,348,530.22/755,881.89
  6. Step 6: Final answer
    x = 568,169.91

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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.