Home / 409,741.74-614,678.22-173,086.47

Finding the Fourth Proportional to 409,741.74, 614,678.22 and 173,086.47

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Solution

The fourth proportional to 409,741.74, 614,678.22 and 173,086.47 is: 259,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,741.74 : 614,678.22 = 173,086.47 : x
  2. Step 2: Convert to fraction form
    409,741.74/614,678.22 = 173,086.47/x
  3. Step 3: Cross multiply
    409,741.74x = 614,678.22 × 173,086.47
  4. Step 4: Simplify right side
    409,741.74x = 106,392,483,285.68
  5. Step 5: Solve for x
    x = 106,392,483,285.68/409,741.74
  6. Step 6: Final answer
    x = 259,657.42

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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.