Home / 1,683,556.92-2,525,708.53-485,385.75

Finding the Fourth Proportional to 1,683,556.92, 2,525,708.53 and 485,385.75

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Solution

The fourth proportional to 1,683,556.92, 2,525,708.53 and 485,385.75 is: 728,186.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,556.92 : 2,525,708.53 = 485,385.75 : x
  2. Step 2: Convert to fraction form
    1,683,556.92/2,525,708.53 = 485,385.75/x
  3. Step 3: Cross multiply
    1,683,556.92x = 2,525,708.53 × 485,385.75
  4. Step 4: Simplify right side
    1,683,556.92x = 1,225,942,929,115.45
  5. Step 5: Solve for x
    x = 1,225,942,929,115.45/1,683,556.92
  6. Step 6: Final answer
    x = 728,186.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.