Home / 476,133.03-657,063.18-261,286.59

Finding the Fourth Proportional to 476,133.03, 657,063.18 and 261,286.59

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Solution

The fourth proportional to 476,133.03, 657,063.18 and 261,286.59 is: 360,575.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,133.03 : 657,063.18 = 261,286.59 : x
  2. Step 2: Convert to fraction form
    476,133.03/657,063.18 = 261,286.59/x
  3. Step 3: Cross multiply
    476,133.03x = 657,063.18 × 261,286.59
  4. Step 4: Simplify right side
    476,133.03x = 171,681,797,716.76
  5. Step 5: Solve for x
    x = 171,681,797,716.76/476,133.03
  6. Step 6: Final answer
    x = 360,575.27

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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.