Home / 395,576.37-545,897.06-214,288.30

Finding the Fourth Proportional to 395,576.37, 545,897.06 and 214,288.30

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Solution

The fourth proportional to 395,576.37, 545,897.06 and 214,288.30 is: 295,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,576.37 : 545,897.06 = 214,288.30 : x
  2. Step 2: Convert to fraction form
    395,576.37/545,897.06 = 214,288.30/x
  3. Step 3: Cross multiply
    395,576.37x = 545,897.06 × 214,288.30
  4. Step 4: Simplify right side
    395,576.37x = 116,979,353,376.91
  5. Step 5: Solve for x
    x = 116,979,353,376.91/395,576.37
  6. Step 6: Final answer
    x = 295,718.76

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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.