Home / 1,198,958.45-1,655,667.63-769,985.93

Finding the Fourth Proportional to 1,198,958.45, 1,655,667.63 and 769,985.93

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Solution

The fourth proportional to 1,198,958.45, 1,655,667.63 and 769,985.93 is: 1,063,290.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,958.45 : 1,655,667.63 = 769,985.93 : x
  2. Step 2: Convert to fraction form
    1,198,958.45/1,655,667.63 = 769,985.93/x
  3. Step 3: Cross multiply
    1,198,958.45x = 1,655,667.63 × 769,985.93
  4. Step 4: Simplify right side
    1,198,958.45x = 1,274,840,783,995.62
  5. Step 5: Solve for x
    x = 1,274,840,783,995.62/1,198,958.45
  6. Step 6: Final answer
    x = 1,063,290.22

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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.