Home / 1,265,198.40-1,745,972.64-692,240.88

Finding the Fourth Proportional to 1,265,198.40, 1,745,972.64 and 692,240.88

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Solution

The fourth proportional to 1,265,198.40, 1,745,972.64 and 692,240.88 is: 955,291.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,198.40 : 1,745,972.64 = 692,240.88 : x
  2. Step 2: Convert to fraction form
    1,265,198.40/1,745,972.64 = 692,240.88/x
  3. Step 3: Cross multiply
    1,265,198.40x = 1,745,972.64 × 692,240.88
  4. Step 4: Simplify right side
    1,265,198.40x = 1,208,633,636,769.52
  5. Step 5: Solve for x
    x = 1,208,633,636,769.52/1,265,198.40
  6. Step 6: Final answer
    x = 955,291.78

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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.