Home / 1,518,585.70-2,277,905.55-453,640.90

Finding the Fourth Proportional to 1,518,585.70, 2,277,905.55 and 453,640.90

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Solution

The fourth proportional to 1,518,585.70, 2,277,905.55 and 453,640.90 is: 680,469.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,585.70 : 2,277,905.55 = 453,640.90 : x
  2. Step 2: Convert to fraction form
    1,518,585.70/2,277,905.55 = 453,640.90/x
  3. Step 3: Cross multiply
    1,518,585.70x = 2,277,905.55 × 453,640.90
  4. Step 4: Simplify right side
    1,518,585.70x = 1,033,351,123,817.00
  5. Step 5: Solve for x
    x = 1,033,351,123,817.00/1,518,585.70
  6. Step 6: Final answer
    x = 680,469.42

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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.