Home / 756,104.25-1,043,420.76-411,939.21

Finding the Fourth Proportional to 756,104.25, 1,043,420.76 and 411,939.21

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Solution

The fourth proportional to 756,104.25, 1,043,420.76 and 411,939.21 is: 568,474.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,104.25 : 1,043,420.76 = 411,939.21 : x
  2. Step 2: Convert to fraction form
    756,104.25/1,043,420.76 = 411,939.21/x
  3. Step 3: Cross multiply
    756,104.25x = 1,043,420.76 × 411,939.21
  4. Step 4: Simplify right side
    756,104.25x = 429,825,923,572.00
  5. Step 5: Solve for x
    x = 429,825,923,572.00/756,104.25
  6. Step 6: Final answer
    x = 568,474.42

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Half scale
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Double scale
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Similar ratio
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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.