Home / 476,286.08-657,272.48-261,429.80

Finding the Fourth Proportional to 476,286.08, 657,272.48 and 261,429.80

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Solution

The fourth proportional to 476,286.08, 657,272.48 and 261,429.80 is: 360,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,286.08 : 657,272.48 = 261,429.80 : x
  2. Step 2: Convert to fraction form
    476,286.08/657,272.48 = 261,429.80/x
  3. Step 3: Cross multiply
    476,286.08x = 657,272.48 × 261,429.80
  4. Step 4: Simplify right side
    476,286.08x = 171,830,608,398.39
  5. Step 5: Solve for x
    x = 171,830,608,398.39/476,286.08
  6. Step 6: Final answer
    x = 360,771.85

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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.