Home / 479,814.52-719,823.28-180,297.70

Finding the Fourth Proportional to 479,814.52, 719,823.28 and 180,297.70

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Solution

The fourth proportional to 479,814.52, 719,823.28 and 180,297.70 is: 270,484.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,814.52 : 719,823.28 = 180,297.70 : x
  2. Step 2: Convert to fraction form
    479,814.52/719,823.28 = 180,297.70/x
  3. Step 3: Cross multiply
    479,814.52x = 719,823.28 × 180,297.70
  4. Step 4: Simplify right side
    479,814.52x = 129,782,481,790.46
  5. Step 5: Solve for x
    x = 129,782,481,790.46/479,814.52
  6. Step 6: Final answer
    x = 270,484.69

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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.