Home / 1,280,998.27-1,767,815.20-700,253.49

Finding the Fourth Proportional to 1,280,998.27, 1,767,815.20 and 700,253.49

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Solution

The fourth proportional to 1,280,998.27, 1,767,815.20 and 700,253.49 is: 966,370.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,998.27 : 1,767,815.20 = 700,253.49 : x
  2. Step 2: Convert to fraction form
    1,280,998.27/1,767,815.20 = 700,253.49/x
  3. Step 3: Cross multiply
    1,280,998.27x = 1,767,815.20 × 700,253.49
  4. Step 4: Simplify right side
    1,280,998.27x = 1,237,918,754,635.97
  5. Step 5: Solve for x
    x = 1,237,918,754,635.97/1,280,998.27
  6. Step 6: Final answer
    x = 966,370.36

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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.