Home / 458,201.96-687,080.98-268,724.37

Finding the Fourth Proportional to 458,201.96, 687,080.98 and 268,724.37

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Solution

The fourth proportional to 458,201.96, 687,080.98 and 268,724.37 is: 402,956.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,201.96 : 687,080.98 = 268,724.37 : x
  2. Step 2: Convert to fraction form
    458,201.96/687,080.98 = 268,724.37/x
  3. Step 3: Cross multiply
    458,201.96x = 687,080.98 × 268,724.37
  4. Step 4: Simplify right side
    458,201.96x = 184,635,403,489.48
  5. Step 5: Solve for x
    x = 184,635,403,489.48/458,201.96
  6. Step 6: Final answer
    x = 402,956.38

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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.