Home / 1,298,917.33-1,791,341.25-1,081,846.66

Finding the Fourth Proportional to 1,298,917.33, 1,791,341.25 and 1,081,846.66

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Solution

The fourth proportional to 1,298,917.33, 1,791,341.25 and 1,081,846.66 is: 1,491,978.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,917.33 : 1,791,341.25 = 1,081,846.66 : x
  2. Step 2: Convert to fraction form
    1,298,917.33/1,791,341.25 = 1,081,846.66/x
  3. Step 3: Cross multiply
    1,298,917.33x = 1,791,341.25 × 1,081,846.66
  4. Step 4: Simplify right side
    1,298,917.33x = 1,937,956,548,232.73
  5. Step 5: Solve for x
    x = 1,937,956,548,232.73/1,298,917.33
  6. Step 6: Final answer
    x = 1,491,978.36

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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.