Home / 756,298.50-1,043,691.93-416,766.75

Finding the Fourth Proportional to 756,298.50, 1,043,691.93 and 416,766.75

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Solution

The fourth proportional to 756,298.50, 1,043,691.93 and 416,766.75 is: 575,138.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,298.50 : 1,043,691.93 = 416,766.75 : x
  2. Step 2: Convert to fraction form
    756,298.50/1,043,691.93 = 416,766.75/x
  3. Step 3: Cross multiply
    756,298.50x = 1,043,691.93 × 416,766.75
  4. Step 4: Simplify right side
    756,298.50x = 434,976,093,667.33
  5. Step 5: Solve for x
    x = 434,976,093,667.33/756,298.50
  6. Step 6: Final answer
    x = 575,138.12

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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.