Home / 498,200.49-687,533.27-271,858.41

Finding the Fourth Proportional to 498,200.49, 687,533.27 and 271,858.41

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Solution

The fourth proportional to 498,200.49, 687,533.27 and 271,858.41 is: 375,173.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,200.49 : 687,533.27 = 271,858.41 : x
  2. Step 2: Convert to fraction form
    498,200.49/687,533.27 = 271,858.41/x
  3. Step 3: Cross multiply
    498,200.49x = 687,533.27 × 271,858.41
  4. Step 4: Simplify right side
    498,200.49x = 186,911,700,245.01
  5. Step 5: Solve for x
    x = 186,911,700,245.01/498,200.49
  6. Step 6: Final answer
    x = 375,173.66

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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.