Home / 1,286,992.86-1,776,026.51-714,020.73

Finding the Fourth Proportional to 1,286,992.86, 1,776,026.51 and 714,020.73

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Solution

The fourth proportional to 1,286,992.86, 1,776,026.51 and 714,020.73 is: 985,335.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,992.86 : 1,776,026.51 = 714,020.73 : x
  2. Step 2: Convert to fraction form
    1,286,992.86/1,776,026.51 = 714,020.73/x
  3. Step 3: Cross multiply
    1,286,992.86x = 1,776,026.51 × 714,020.73
  4. Step 4: Simplify right side
    1,286,992.86x = 1,268,119,745,169.55
  5. Step 5: Solve for x
    x = 1,268,119,745,169.55/1,286,992.86
  6. Step 6: Final answer
    x = 985,335.49

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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.