Home / 395,644.05-545,988.06-214,360.61

Finding the Fourth Proportional to 395,644.05, 545,988.06 and 214,360.61

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Solution

The fourth proportional to 395,644.05, 545,988.06 and 214,360.61 is: 295,817.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,644.05 : 545,988.06 = 214,360.61 : x
  2. Step 2: Convert to fraction form
    395,644.05/545,988.06 = 214,360.61/x
  3. Step 3: Cross multiply
    395,644.05x = 545,988.06 × 214,360.61
  4. Step 4: Simplify right side
    395,644.05x = 117,038,333,594.32
  5. Step 5: Solve for x
    x = 117,038,333,594.32/395,644.05
  6. Step 6: Final answer
    x = 295,817.25

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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.