Home / 694,460.40-1,040,135.40-414,524.40

Finding the Fourth Proportional to 694,460.40, 1,040,135.40 and 414,524.40

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Solution

The fourth proportional to 694,460.40, 1,040,135.40 and 414,524.40 is: 620,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,460.40 : 1,040,135.40 = 414,524.40 : x
  2. Step 2: Convert to fraction form
    694,460.40/1,040,135.40 = 414,524.40/x
  3. Step 3: Cross multiply
    694,460.40x = 1,040,135.40 × 414,524.40
  4. Step 4: Simplify right side
    694,460.40x = 431,161,502,603.76
  5. Step 5: Solve for x
    x = 431,161,502,603.76/694,460.40
  6. Step 6: Final answer
    x = 620,858.30

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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.