Home / 1,318,025.56-1,976,650.80-559,861

Finding the Fourth Proportional to 1,318,025.56, 1,976,650.80 and 559,861

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Solution

The fourth proportional to 1,318,025.56, 1,976,650.80 and 559,861 is: 839,626.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,025.56 : 1,976,650.80 = 559,861 : x
  2. Step 2: Convert to fraction form
    1,318,025.56/1,976,650.80 = 559,861/x
  3. Step 3: Cross multiply
    1,318,025.56x = 1,976,650.80 × 559,861
  4. Step 4: Simplify right side
    1,318,025.56x = 1,106,649,693,538.80
  5. Step 5: Solve for x
    x = 1,106,649,693,538.80/1,318,025.56
  6. Step 6: Final answer
    x = 839,626.88

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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.