Home / 1,216,512.22-1,678,776.69-700,367.26

Finding the Fourth Proportional to 1,216,512.22, 1,678,776.69 and 700,367.26

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Solution

The fourth proportional to 1,216,512.22, 1,678,776.69 and 700,367.26 is: 966,500.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,512.22 : 1,678,776.69 = 700,367.26 : x
  2. Step 2: Convert to fraction form
    1,216,512.22/1,678,776.69 = 700,367.26/x
  3. Step 3: Cross multiply
    1,216,512.22x = 1,678,776.69 × 700,367.26
  4. Step 4: Simplify right side
    1,216,512.22x = 1,175,760,230,527.17
  5. Step 5: Solve for x
    x = 1,175,760,230,527.17/1,216,512.22
  6. Step 6: Final answer
    x = 966,500.96

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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.