Home / 1,186,972.44-1,780,460.90-288,414.94

Finding the Fourth Proportional to 1,186,972.44, 1,780,460.90 and 288,414.94

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Solution

The fourth proportional to 1,186,972.44, 1,780,460.90 and 288,414.94 is: 432,622.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,972.44 : 1,780,460.90 = 288,414.94 : x
  2. Step 2: Convert to fraction form
    1,186,972.44/1,780,460.90 = 288,414.94/x
  3. Step 3: Cross multiply
    1,186,972.44x = 1,780,460.90 × 288,414.94
  4. Step 4: Simplify right side
    1,186,972.44x = 513,511,523,645.85
  5. Step 5: Solve for x
    x = 513,511,523,645.85/1,186,972.44
  6. Step 6: Final answer
    x = 432,622.95

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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.