Home / 1,049,233.80-1,570,221.90-628,811.40

Finding the Fourth Proportional to 1,049,233.80, 1,570,221.90 and 628,811.40

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Solution

The fourth proportional to 1,049,233.80, 1,570,221.90 and 628,811.40 is: 941,042.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,233.80 : 1,570,221.90 = 628,811.40 : x
  2. Step 2: Convert to fraction form
    1,049,233.80/1,570,221.90 = 628,811.40/x
  3. Step 3: Cross multiply
    1,049,233.80x = 1,570,221.90 × 628,811.40
  4. Step 4: Simplify right side
    1,049,233.80x = 987,373,431,249.66
  5. Step 5: Solve for x
    x = 987,373,431,249.66/1,049,233.80
  6. Step 6: Final answer
    x = 941,042.34

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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.