Home / 403,826.88-557,254.44-242,586.48

Finding the Fourth Proportional to 403,826.88, 557,254.44 and 242,586.48

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Solution

The fourth proportional to 403,826.88, 557,254.44 and 242,586.48 is: 334,753.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,826.88 : 557,254.44 = 242,586.48 : x
  2. Step 2: Convert to fraction form
    403,826.88/557,254.44 = 242,586.48/x
  3. Step 3: Cross multiply
    403,826.88x = 557,254.44 × 242,586.48
  4. Step 4: Simplify right side
    403,826.88x = 135,182,393,063.97
  5. Step 5: Solve for x
    x = 135,182,393,063.97/403,826.88
  6. Step 6: Final answer
    x = 334,753.33

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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.