Home / 1,259,147.90-1,737,573.44-686,175.77

Finding the Fourth Proportional to 1,259,147.90, 1,737,573.44 and 686,175.77

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Solution

The fourth proportional to 1,259,147.90, 1,737,573.44 and 686,175.77 is: 946,894.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,147.90 : 1,737,573.44 = 686,175.77 : x
  2. Step 2: Convert to fraction form
    1,259,147.90/1,737,573.44 = 686,175.77/x
  3. Step 3: Cross multiply
    1,259,147.90x = 1,737,573.44 × 686,175.77
  4. Step 4: Simplify right side
    1,259,147.90x = 1,192,280,781,004.80
  5. Step 5: Solve for x
    x = 1,192,280,781,004.80/1,259,147.90
  6. Step 6: Final answer
    x = 946,894.95

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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.