Home / 398,633.04-597,819.60-132,322.08

Finding the Fourth Proportional to 398,633.04, 597,819.60 and 132,322.08

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Solution

The fourth proportional to 398,633.04, 597,819.60 and 132,322.08 is: 198,439.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,633.04 : 597,819.60 = 132,322.08 : x
  2. Step 2: Convert to fraction form
    398,633.04/597,819.60 = 132,322.08/x
  3. Step 3: Cross multiply
    398,633.04x = 597,819.60 × 132,322.08
  4. Step 4: Simplify right side
    398,633.04x = 79,104,732,936.77
  5. Step 5: Solve for x
    x = 79,104,732,936.77/398,633.04
  6. Step 6: Final answer
    x = 198,439.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.