Home / 1,639,350.72-2,262,315.96-914,245.20

Finding the Fourth Proportional to 1,639,350.72, 2,262,315.96 and 914,245.20

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Solution

The fourth proportional to 1,639,350.72, 2,262,315.96 and 914,245.20 is: 1,261,665.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,350.72 : 2,262,315.96 = 914,245.20 : x
  2. Step 2: Convert to fraction form
    1,639,350.72/2,262,315.96 = 914,245.20/x
  3. Step 3: Cross multiply
    1,639,350.72x = 2,262,315.96 × 914,245.20
  4. Step 4: Simplify right side
    1,639,350.72x = 2,068,311,507,313.39
  5. Step 5: Solve for x
    x = 2,068,311,507,313.39/1,639,350.72
  6. Step 6: Final answer
    x = 1,261,665.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.