Home / 811,100.80-1,216,556.48-250,087.04

Finding the Fourth Proportional to 811,100.80, 1,216,556.48 and 250,087.04

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Solution

The fourth proportional to 811,100.80, 1,216,556.48 and 250,087.04 is: 375,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,100.80 : 1,216,556.48 = 250,087.04 : x
  2. Step 2: Convert to fraction form
    811,100.80/1,216,556.48 = 250,087.04/x
  3. Step 3: Cross multiply
    811,100.80x = 1,216,556.48 × 250,087.04
  4. Step 4: Simplify right side
    811,100.80x = 304,245,009,076.02
  5. Step 5: Solve for x
    x = 304,245,009,076.02/811,100.80
  6. Step 6: Final answer
    x = 375,101.35

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1.5x scale

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.