Home / 694,766.40-1,040,594.40-414,830.40

Finding the Fourth Proportional to 694,766.40, 1,040,594.40 and 414,830.40

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Solution

The fourth proportional to 694,766.40, 1,040,594.40 and 414,830.40 is: 621,317.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,766.40 : 1,040,594.40 = 414,830.40 : x
  2. Step 2: Convert to fraction form
    694,766.40/1,040,594.40 = 414,830.40/x
  3. Step 3: Cross multiply
    694,766.40x = 1,040,594.40 × 414,830.40
  4. Step 4: Simplify right side
    694,766.40x = 431,670,191,189.76
  5. Step 5: Solve for x
    x = 431,670,191,189.76/694,766.40
  6. Step 6: Final answer
    x = 621,317.02

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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.