Home / 663,115.14-993,964.50-378,192.27

Finding the Fourth Proportional to 663,115.14, 993,964.50 and 378,192.27

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Solution

The fourth proportional to 663,115.14, 993,964.50 and 378,192.27 is: 566,884.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,115.14 : 993,964.50 = 378,192.27 : x
  2. Step 2: Convert to fraction form
    663,115.14/993,964.50 = 378,192.27/x
  3. Step 3: Cross multiply
    663,115.14x = 993,964.50 × 378,192.27
  4. Step 4: Simplify right side
    663,115.14x = 375,909,693,780.61
  5. Step 5: Solve for x
    x = 375,909,693,780.61/663,115.14
  6. Step 6: Final answer
    x = 566,884.50

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1.5x scale

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.