Home / 1,255,653.28-1,732,818.59-682,692.09

Finding the Fourth Proportional to 1,255,653.28, 1,732,818.59 and 682,692.09

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Solution

The fourth proportional to 1,255,653.28, 1,732,818.59 and 682,692.09 is: 942,124.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,653.28 : 1,732,818.59 = 682,692.09 : x
  2. Step 2: Convert to fraction form
    1,255,653.28/1,732,818.59 = 682,692.09/x
  3. Step 3: Cross multiply
    1,255,653.28x = 1,732,818.59 × 682,692.09
  4. Step 4: Simplify right side
    1,255,653.28x = 1,182,981,544,797.95
  5. Step 5: Solve for x
    x = 1,182,981,544,797.95/1,255,653.28
  6. Step 6: Final answer
    x = 942,124.36

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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.