Home / 384,723.12-530,897.04-214,924.44

Finding the Fourth Proportional to 384,723.12, 530,897.04 and 214,924.44

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Solution

The fourth proportional to 384,723.12, 530,897.04 and 214,924.44 is: 296,584.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,723.12 : 530,897.04 = 214,924.44 : x
  2. Step 2: Convert to fraction form
    384,723.12/530,897.04 = 214,924.44/x
  3. Step 3: Cross multiply
    384,723.12x = 530,897.04 × 214,924.44
  4. Step 4: Simplify right side
    384,723.12x = 114,102,749,019.66
  5. Step 5: Solve for x
    x = 114,102,749,019.66/384,723.12
  6. Step 6: Final answer
    x = 296,584.07

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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.