Home / 1,400,014.28-1,929,920.43-1,141,494.47

Finding the Fourth Proportional to 1,400,014.28, 1,929,920.43 and 1,141,494.47

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Solution

The fourth proportional to 1,400,014.28, 1,929,920.43 and 1,141,494.47 is: 1,573,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,014.28 : 1,929,920.43 = 1,141,494.47 : x
  2. Step 2: Convert to fraction form
    1,400,014.28/1,929,920.43 = 1,141,494.47/x
  3. Step 3: Cross multiply
    1,400,014.28x = 1,929,920.43 × 1,141,494.47
  4. Step 4: Simplify right side
    1,400,014.28x = 2,202,993,504,688.12
  5. Step 5: Solve for x
    x = 2,202,993,504,688.12/1,400,014.28
  6. Step 6: Final answer
    x = 1,573,550.74

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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.