Home / 479,814.27-719,722.32-124,827.72

Finding the Fourth Proportional to 479,814.27, 719,722.32 and 124,827.72

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Solution

The fourth proportional to 479,814.27, 719,722.32 and 124,827.72 is: 187,241.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,814.27 : 719,722.32 = 124,827.72 : x
  2. Step 2: Convert to fraction form
    479,814.27/719,722.32 = 124,827.72/x
  3. Step 3: Cross multiply
    479,814.27x = 719,722.32 × 124,827.72
  4. Step 4: Simplify right side
    479,814.27x = 89,841,296,238.71
  5. Step 5: Solve for x
    x = 89,841,296,238.71/479,814.27
  6. Step 6: Final answer
    x = 187,241.82

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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.