Home / 705,892.50-1,058,243.40-306,232.56

Finding the Fourth Proportional to 705,892.50, 1,058,243.40 and 306,232.56

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Solution

The fourth proportional to 705,892.50, 1,058,243.40 and 306,232.56 is: 459,090.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,892.50 : 1,058,243.40 = 306,232.56 : x
  2. Step 2: Convert to fraction form
    705,892.50/1,058,243.40 = 306,232.56/x
  3. Step 3: Cross multiply
    705,892.50x = 1,058,243.40 × 306,232.56
  4. Step 4: Simplify right side
    705,892.50x = 324,068,585,485.10
  5. Step 5: Solve for x
    x = 324,068,585,485.10/705,892.50
  6. Step 6: Final answer
    x = 459,090.56

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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.