Home / 384,722.24-530,944.16-212,636.52

Finding the Fourth Proportional to 384,722.24, 530,944.16 and 212,636.52

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Solution

The fourth proportional to 384,722.24, 530,944.16 and 212,636.52 is: 293,453.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,722.24 : 530,944.16 = 212,636.52 : x
  2. Step 2: Convert to fraction form
    384,722.24/530,944.16 = 212,636.52/x
  3. Step 3: Cross multiply
    384,722.24x = 530,944.16 × 212,636.52
  4. Step 4: Simplify right side
    384,722.24x = 112,898,118,496.72
  5. Step 5: Solve for x
    x = 112,898,118,496.72/384,722.24
  6. Step 6: Final answer
    x = 293,453.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.