Home / 756,104.72-1,043,421.26-411,939.59

Finding the Fourth Proportional to 756,104.72, 1,043,421.26 and 411,939.59

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Solution

The fourth proportional to 756,104.72, 1,043,421.26 and 411,939.59 is: 568,474.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,104.72 : 1,043,421.26 = 411,939.59 : x
  2. Step 2: Convert to fraction form
    756,104.72/1,043,421.26 = 411,939.59/x
  3. Step 3: Cross multiply
    756,104.72x = 1,043,421.26 × 411,939.59
  4. Step 4: Simplify right side
    756,104.72x = 429,826,518,764.88
  5. Step 5: Solve for x
    x = 429,826,518,764.88/756,104.72
  6. Step 6: Final answer
    x = 568,474.86

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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.