Home / 1,598,212.32-2,205,599.92-919,149.28

Finding the Fourth Proportional to 1,598,212.32, 2,205,599.92 and 919,149.28

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Solution

The fourth proportional to 1,598,212.32, 2,205,599.92 and 919,149.28 is: 1,268,464.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598,212.32 : 2,205,599.92 = 919,149.28 : x
  2. Step 2: Convert to fraction form
    1,598,212.32/2,205,599.92 = 919,149.28/x
  3. Step 3: Cross multiply
    1,598,212.32x = 2,205,599.92 × 919,149.28
  4. Step 4: Simplify right side
    1,598,212.32x = 2,027,275,578,436.06
  5. Step 5: Solve for x
    x = 2,027,275,578,436.06/1,598,212.32
  6. Step 6: Final answer
    x = 1,268,464.49

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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.