Home / 800,100.40-1,103,618.28-513,166

Finding the Fourth Proportional to 800,100.40, 1,103,618.28 and 513,166

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Solution

The fourth proportional to 800,100.40, 1,103,618.28 and 513,166 is: 707,835.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,100.40 : 1,103,618.28 = 513,166 : x
  2. Step 2: Convert to fraction form
    800,100.40/1,103,618.28 = 513,166/x
  3. Step 3: Cross multiply
    800,100.40x = 1,103,618.28 × 513,166
  4. Step 4: Simplify right side
    800,100.40x = 566,339,378,274.48
  5. Step 5: Solve for x
    x = 566,339,378,274.48/800,100.40
  6. Step 6: Final answer
    x = 707,835.39

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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.