Home / 382,684.06-528,089.52-212,914.54

Finding the Fourth Proportional to 382,684.06, 528,089.52 and 212,914.54

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Solution

The fourth proportional to 382,684.06, 528,089.52 and 212,914.54 is: 293,814.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,684.06 : 528,089.52 = 212,914.54 : x
  2. Step 2: Convert to fraction form
    382,684.06/528,089.52 = 212,914.54/x
  3. Step 3: Cross multiply
    382,684.06x = 528,089.52 × 212,914.54
  4. Step 4: Simplify right side
    382,684.06x = 112,437,937,229.62
  5. Step 5: Solve for x
    x = 112,437,937,229.62/382,684.06
  6. Step 6: Final answer
    x = 293,814.01

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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.