Home / 706,056.74-1,058,489.86-306,396.46

Finding the Fourth Proportional to 706,056.74, 1,058,489.86 and 306,396.46

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Solution

The fourth proportional to 706,056.74, 1,058,489.86 and 306,396.46 is: 459,336.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,056.74 : 1,058,489.86 = 306,396.46 : x
  2. Step 2: Convert to fraction form
    706,056.74/1,058,489.86 = 306,396.46/x
  3. Step 3: Cross multiply
    706,056.74x = 1,058,489.86 × 306,396.46
  4. Step 4: Simplify right side
    706,056.74x = 324,317,546,049.90
  5. Step 5: Solve for x
    x = 324,317,546,049.90/706,056.74
  6. Step 6: Final answer
    x = 459,336.38

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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.