Home / 1,280,965.91-1,767,739.91-700,189.83

Finding the Fourth Proportional to 1,280,965.91, 1,767,739.91 and 700,189.83

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Solution

The fourth proportional to 1,280,965.91, 1,767,739.91 and 700,189.83 is: 966,265.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,965.91 : 1,767,739.91 = 700,189.83 : x
  2. Step 2: Convert to fraction form
    1,280,965.91/1,767,739.91 = 700,189.83/x
  3. Step 3: Cross multiply
    1,280,965.91x = 1,767,739.91 × 700,189.83
  4. Step 4: Simplify right side
    1,280,965.91x = 1,237,753,503,566.17
  5. Step 5: Solve for x
    x = 1,237,753,503,566.17/1,280,965.91
  6. Step 6: Final answer
    x = 966,265.77

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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.