Home / 1,243,282.77-1,715,591.17-699,407.29

Finding the Fourth Proportional to 1,243,282.77, 1,715,591.17 and 699,407.29

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Solution

The fourth proportional to 1,243,282.77, 1,715,591.17 and 699,407.29 is: 965,103.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,282.77 : 1,715,591.17 = 699,407.29 : x
  2. Step 2: Convert to fraction form
    1,243,282.77/1,715,591.17 = 699,407.29/x
  3. Step 3: Cross multiply
    1,243,282.77x = 1,715,591.17 × 699,407.29
  4. Step 4: Simplify right side
    1,243,282.77x = 1,199,896,973,976.38
  5. Step 5: Solve for x
    x = 1,199,896,973,976.38/1,243,282.77
  6. Step 6: Final answer
    x = 965,103.84

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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.