Home / 2,784,522.90-4,176,787.94-762,784.57

Finding the Fourth Proportional to 2,784,522.90, 4,176,787.94 and 762,784.57

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Solution

The fourth proportional to 2,784,522.90, 4,176,787.94 and 762,784.57 is: 1,144,177.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,522.90 : 4,176,787.94 = 762,784.57 : x
  2. Step 2: Convert to fraction form
    2,784,522.90/4,176,787.94 = 762,784.57/x
  3. Step 3: Cross multiply
    2,784,522.90x = 4,176,787.94 × 762,784.57
  4. Step 4: Simplify right side
    2,784,522.90x = 3,185,989,392,794.09
  5. Step 5: Solve for x
    x = 3,185,989,392,794.09/2,784,522.90
  6. Step 6: Final answer
    x = 1,144,177.84

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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.