Home / 1,331,470.20-1,995,893.10-656,999.40

Finding the Fourth Proportional to 1,331,470.20, 1,995,893.10 and 656,999.40

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Solution

The fourth proportional to 1,331,470.20, 1,995,893.10 and 656,999.40 is: 984,851.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,470.20 : 1,995,893.10 = 656,999.40 : x
  2. Step 2: Convert to fraction form
    1,331,470.20/1,995,893.10 = 656,999.40/x
  3. Step 3: Cross multiply
    1,331,470.20x = 1,995,893.10 × 656,999.40
  4. Step 4: Simplify right side
    1,331,470.20x = 1,311,300,569,164.14
  5. Step 5: Solve for x
    x = 1,311,300,569,164.14/1,331,470.20
  6. Step 6: Final answer
    x = 984,851.61

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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.