Home / 1,120,517.28-1,546,251.66-637,015.32

Finding the Fourth Proportional to 1,120,517.28, 1,546,251.66 and 637,015.32

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Solution

The fourth proportional to 1,120,517.28, 1,546,251.66 and 637,015.32 is: 879,045.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,517.28 : 1,546,251.66 = 637,015.32 : x
  2. Step 2: Convert to fraction form
    1,120,517.28/1,546,251.66 = 637,015.32/x
  3. Step 3: Cross multiply
    1,120,517.28x = 1,546,251.66 × 637,015.32
  4. Step 4: Simplify right side
    1,120,517.28x = 984,985,995,995.43
  5. Step 5: Solve for x
    x = 984,985,995,995.43/1,120,517.28
  6. Step 6: Final answer
    x = 879,045.79

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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.