Home / 756,084.52-1,043,393.49-411,919.38

Finding the Fourth Proportional to 756,084.52, 1,043,393.49 and 411,919.38

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Solution

The fourth proportional to 756,084.52, 1,043,393.49 and 411,919.38 is: 568,447.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,084.52 : 1,043,393.49 = 411,919.38 : x
  2. Step 2: Convert to fraction form
    756,084.52/1,043,393.49 = 411,919.38/x
  3. Step 3: Cross multiply
    756,084.52x = 1,043,393.49 × 411,919.38
  4. Step 4: Simplify right side
    756,084.52x = 429,793,999,496.84
  5. Step 5: Solve for x
    x = 429,793,999,496.84/756,084.52
  6. Step 6: Final answer
    x = 568,447.03

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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.