Home / 1,328,936.40-1,834,107.48-755,865.90

Finding the Fourth Proportional to 1,328,936.40, 1,834,107.48 and 755,865.90

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Solution

The fourth proportional to 1,328,936.40, 1,834,107.48 and 755,865.90 is: 1,043,194.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,936.40 : 1,834,107.48 = 755,865.90 : x
  2. Step 2: Convert to fraction form
    1,328,936.40/1,834,107.48 = 755,865.90/x
  3. Step 3: Cross multiply
    1,328,936.40x = 1,834,107.48 × 755,865.90
  4. Step 4: Simplify right side
    1,328,936.40x = 1,386,339,301,066.93
  5. Step 5: Solve for x
    x = 1,386,339,301,066.93/1,328,936.40
  6. Step 6: Final answer
    x = 1,043,194.62

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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.