Home / 1,157,540.83-1,597,117.80-667,660.12

Finding the Fourth Proportional to 1,157,540.83, 1,597,117.80 and 667,660.12

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Solution

The fourth proportional to 1,157,540.83, 1,597,117.80 and 667,660.12 is: 921,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,540.83 : 1,597,117.80 = 667,660.12 : x
  2. Step 2: Convert to fraction form
    1,157,540.83/1,597,117.80 = 667,660.12/x
  3. Step 3: Cross multiply
    1,157,540.83x = 1,597,117.80 × 667,660.12
  4. Step 4: Simplify right side
    1,157,540.83x = 1,066,331,860,513.07
  5. Step 5: Solve for x
    x = 1,066,331,860,513.07/1,157,540.83
  6. Step 6: Final answer
    x = 921,204.54

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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.