Home / 756,103.26-1,043,419.38-411,938.22

Finding the Fourth Proportional to 756,103.26, 1,043,419.38 and 411,938.22

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Solution

The fourth proportional to 756,103.26, 1,043,419.38 and 411,938.22 is: 568,473.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,103.26 : 1,043,419.38 = 411,938.22 : x
  2. Step 2: Convert to fraction form
    756,103.26/1,043,419.38 = 411,938.22/x
  3. Step 3: Cross multiply
    756,103.26x = 1,043,419.38 × 411,938.22
  4. Step 4: Simplify right side
    756,103.26x = 429,824,322,110.70
  5. Step 5: Solve for x
    x = 429,824,322,110.70/756,103.26
  6. Step 6: Final answer
    x = 568,473.04

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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.