Home / 1,219,968.32-1,683,556.25-676,185.84

Finding the Fourth Proportional to 1,219,968.32, 1,683,556.25 and 676,185.84

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Solution

The fourth proportional to 1,219,968.32, 1,683,556.25 and 676,185.84 is: 933,136.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,968.32 : 1,683,556.25 = 676,185.84 : x
  2. Step 2: Convert to fraction form
    1,219,968.32/1,683,556.25 = 676,185.84/x
  3. Step 3: Cross multiply
    1,219,968.32x = 1,683,556.25 × 676,185.84
  4. Step 4: Simplify right side
    1,219,968.32x = 1,138,396,893,712.57
  5. Step 5: Solve for x
    x = 1,138,396,893,712.57/1,219,968.32
  6. Step 6: Final answer
    x = 933,136.44

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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.