Home / 1,434,924.92-1,980,336.35-1,071,718.49

Finding the Fourth Proportional to 1,434,924.92, 1,980,336.35 and 1,071,718.49

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Solution

The fourth proportional to 1,434,924.92, 1,980,336.35 and 1,071,718.49 is: 1,479,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,924.92 : 1,980,336.35 = 1,071,718.49 : x
  2. Step 2: Convert to fraction form
    1,434,924.92/1,980,336.35 = 1,071,718.49/x
  3. Step 3: Cross multiply
    1,434,924.92x = 1,980,336.35 × 1,071,718.49
  4. Step 4: Simplify right side
    1,434,924.92x = 2,122,363,067,453.84
  5. Step 5: Solve for x
    x = 2,122,363,067,453.84/1,434,924.92
  6. Step 6: Final answer
    x = 1,479,076.04

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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.