Home / 498,024.12-687,272.48-271,669.64

Finding the Fourth Proportional to 498,024.12, 687,272.48 and 271,669.64

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Solution

The fourth proportional to 498,024.12, 687,272.48 and 271,669.64 is: 374,903.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,024.12 : 687,272.48 = 271,669.64 : x
  2. Step 2: Convert to fraction form
    498,024.12/687,272.48 = 271,669.64/x
  3. Step 3: Cross multiply
    498,024.12x = 687,272.48 × 271,669.64
  4. Step 4: Simplify right side
    498,024.12x = 186,711,067,223.51
  5. Step 5: Solve for x
    x = 186,711,067,223.51/498,024.12
  6. Step 6: Final answer
    x = 374,903.66

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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.