Home / 476,156.56-657,105.96-261,284.08

Finding the Fourth Proportional to 476,156.56, 657,105.96 and 261,284.08

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Solution

The fourth proportional to 476,156.56, 657,105.96 and 261,284.08 is: 360,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,156.56 : 657,105.96 = 261,284.08 : x
  2. Step 2: Convert to fraction form
    476,156.56/657,105.96 = 261,284.08/x
  3. Step 3: Cross multiply
    476,156.56x = 657,105.96 × 261,284.08
  4. Step 4: Simplify right side
    476,156.56x = 171,691,326,221.12
  5. Step 5: Solve for x
    x = 171,691,326,221.12/476,156.56
  6. Step 6: Final answer
    x = 360,577.47

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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.