Home / 476,134.22-657,064.28-258,342.83

Finding the Fourth Proportional to 476,134.22, 657,064.28 and 258,342.83

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Solution

The fourth proportional to 476,134.22, 657,064.28 and 258,342.83 is: 356,512.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,134.22 : 657,064.28 = 258,342.83 : x
  2. Step 2: Convert to fraction form
    476,134.22/657,064.28 = 258,342.83/x
  3. Step 3: Cross multiply
    476,134.22x = 657,064.28 × 258,342.83
  4. Step 4: Simplify right side
    476,134.22x = 169,747,841,010.08
  5. Step 5: Solve for x
    x = 169,747,841,010.08/476,134.22
  6. Step 6: Final answer
    x = 356,512.59

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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.