Home / 395,306.27-545,522.87-214,018.25

Finding the Fourth Proportional to 395,306.27, 545,522.87 and 214,018.25

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Solution

The fourth proportional to 395,306.27, 545,522.87 and 214,018.25 is: 295,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,306.27 : 545,522.87 = 214,018.25 : x
  2. Step 2: Convert to fraction form
    395,306.27/545,522.87 = 214,018.25/x
  3. Step 3: Cross multiply
    395,306.27x = 545,522.87 × 214,018.25
  4. Step 4: Simplify right side
    395,306.27x = 116,751,847,779.81
  5. Step 5: Solve for x
    x = 116,751,847,779.81/395,306.27
  6. Step 6: Final answer
    x = 295,345.30

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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.