Home / 672,334.40-1,008,679.80-293,092.40

Finding the Fourth Proportional to 672,334.40, 1,008,679.80 and 293,092.40

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Solution

The fourth proportional to 672,334.40, 1,008,679.80 and 293,092.40 is: 439,716.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,334.40 : 1,008,679.80 = 293,092.40 : x
  2. Step 2: Convert to fraction form
    672,334.40/1,008,679.80 = 293,092.40/x
  3. Step 3: Cross multiply
    672,334.40x = 1,008,679.80 × 293,092.40
  4. Step 4: Simplify right side
    672,334.40x = 295,636,383,413.52
  5. Step 5: Solve for x
    x = 295,636,383,413.52/672,334.40
  6. Step 6: Final answer
    x = 439,716.28

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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.