Home / 988,772.34-1,481,463.31-663,951.55

Finding the Fourth Proportional to 988,772.34, 1,481,463.31 and 663,951.55

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Solution

The fourth proportional to 988,772.34, 1,481,463.31 and 663,951.55 is: 994,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,772.34 : 1,481,463.31 = 663,951.55 : x
  2. Step 2: Convert to fraction form
    988,772.34/1,481,463.31 = 663,951.55/x
  3. Step 3: Cross multiply
    988,772.34x = 1,481,463.31 × 663,951.55
  4. Step 4: Simplify right side
    988,772.34x = 983,619,860,942.63
  5. Step 5: Solve for x
    x = 983,619,860,942.63/988,772.34
  6. Step 6: Final answer
    x = 994,789.01

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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.