Home / 694,515.40-1,040,217.90-536,230.60

Finding the Fourth Proportional to 694,515.40, 1,040,217.90 and 536,230.60

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Solution

The fourth proportional to 694,515.40, 1,040,217.90 and 536,230.60 is: 803,145.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,515.40 : 1,040,217.90 = 536,230.60 : x
  2. Step 2: Convert to fraction form
    694,515.40/1,040,217.90 = 536,230.60/x
  3. Step 3: Cross multiply
    694,515.40x = 1,040,217.90 × 536,230.60
  4. Step 4: Simplify right side
    694,515.40x = 557,796,668,647.74
  5. Step 5: Solve for x
    x = 557,796,668,647.74/694,515.40
  6. Step 6: Final answer
    x = 803,145.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.