Home / 958,380.90-1,322,990.76-619,014.66

Finding the Fourth Proportional to 958,380.90, 1,322,990.76 and 619,014.66

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Solution

The fourth proportional to 958,380.90, 1,322,990.76 and 619,014.66 is: 854,514.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,380.90 : 1,322,990.76 = 619,014.66 : x
  2. Step 2: Convert to fraction form
    958,380.90/1,322,990.76 = 619,014.66/x
  3. Step 3: Cross multiply
    958,380.90x = 1,322,990.76 × 619,014.66
  4. Step 4: Simplify right side
    958,380.90x = 818,950,675,484.54
  5. Step 5: Solve for x
    x = 818,950,675,484.54/958,380.90
  6. Step 6: Final answer
    x = 854,514.81

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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.