Home / 479,682.29-719,282.45-159,721.05

Finding the Fourth Proportional to 479,682.29, 719,282.45 and 159,721.05

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Solution

The fourth proportional to 479,682.29, 719,282.45 and 159,721.05 is: 239,501.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,682.29 : 719,282.45 = 159,721.05 : x
  2. Step 2: Convert to fraction form
    479,682.29/719,282.45 = 159,721.05/x
  3. Step 3: Cross multiply
    479,682.29x = 719,282.45 × 159,721.05
  4. Step 4: Simplify right side
    479,682.29x = 114,884,548,559.88
  5. Step 5: Solve for x
    x = 114,884,548,559.88/479,682.29
  6. Step 6: Final answer
    x = 239,501.34

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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.