Home / 1,588,168.10-2,380,912.79-688,932.43

Finding the Fourth Proportional to 1,588,168.10, 2,380,912.79 and 688,932.43

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Solution

The fourth proportional to 1,588,168.10, 2,380,912.79 and 688,932.43 is: 1,032,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,168.10 : 2,380,912.79 = 688,932.43 : x
  2. Step 2: Convert to fraction form
    1,588,168.10/2,380,912.79 = 688,932.43/x
  3. Step 3: Cross multiply
    1,588,168.10x = 2,380,912.79 × 688,932.43
  4. Step 4: Simplify right side
    1,588,168.10x = 1,640,288,024,635.84
  5. Step 5: Solve for x
    x = 1,640,288,024,635.84/1,588,168.10
  6. Step 6: Final answer
    x = 1,032,817.64

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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.