Home / 706,120.92-1,058,583.96-306,459.36

Finding the Fourth Proportional to 706,120.92, 1,058,583.96 and 306,459.36

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Solution

The fourth proportional to 706,120.92, 1,058,583.96 and 306,459.36 is: 459,429.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,120.92 : 1,058,583.96 = 306,459.36 : x
  2. Step 2: Convert to fraction form
    706,120.92/1,058,583.96 = 306,459.36/x
  3. Step 3: Cross multiply
    706,120.92x = 1,058,583.96 × 306,459.36
  4. Step 4: Simplify right side
    706,120.92x = 324,412,962,887.87
  5. Step 5: Solve for x
    x = 324,412,962,887.87/706,120.92
  6. Step 6: Final answer
    x = 459,429.76

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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.