Home / 498,215.00-687,536.30-271,860.50

Finding the Fourth Proportional to 498,215.00, 687,536.30 and 271,860.50

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Solution

The fourth proportional to 498,215.00, 687,536.30 and 271,860.50 is: 375,167.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,215.00 : 687,536.30 = 271,860.50 : x
  2. Step 2: Convert to fraction form
    498,215.00/687,536.30 = 271,860.50/x
  3. Step 3: Cross multiply
    498,215.00x = 687,536.30 × 271,860.50
  4. Step 4: Simplify right side
    498,215.00x = 186,913,964,684.64
  5. Step 5: Solve for x
    x = 186,913,964,684.64/498,215.00
  6. Step 6: Final answer
    x = 375,167.27

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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.