Home / 1,059,905.10-1,589,310.45-311,853.90

Finding the Fourth Proportional to 1,059,905.10, 1,589,310.45 and 311,853.90

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Solution

The fourth proportional to 1,059,905.10, 1,589,310.45 and 311,853.90 is: 467,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,905.10 : 1,589,310.45 = 311,853.90 : x
  2. Step 2: Convert to fraction form
    1,059,905.10/1,589,310.45 = 311,853.90/x
  3. Step 3: Cross multiply
    1,059,905.10x = 1,589,310.45 × 311,853.90
  4. Step 4: Simplify right side
    1,059,905.10x = 495,632,662,143.26
  5. Step 5: Solve for x
    x = 495,632,662,143.26/1,059,905.10
  6. Step 6: Final answer
    x = 467,619.85

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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.