Home / 395,527.97-545,828.72-214,239.35

Finding the Fourth Proportional to 395,527.97, 545,828.72 and 214,239.35

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Solution

The fourth proportional to 395,527.97, 545,828.72 and 214,239.35 is: 295,650.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,527.97 : 545,828.72 = 214,239.35 : x
  2. Step 2: Convert to fraction form
    395,527.97/545,828.72 = 214,239.35/x
  3. Step 3: Cross multiply
    395,527.97x = 545,828.72 × 214,239.35
  4. Step 4: Simplify right side
    395,527.97x = 116,937,986,383.79
  5. Step 5: Solve for x
    x = 116,937,986,383.79/395,527.97
  6. Step 6: Final answer
    x = 295,650.36

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1.5x scale

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.