Home / 777,843.12-1,166,935.90-238,103.66

Finding the Fourth Proportional to 777,843.12, 1,166,935.90 and 238,103.66

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Solution

The fourth proportional to 777,843.12, 1,166,935.90 and 238,103.66 is: 357,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,843.12 : 1,166,935.90 = 238,103.66 : x
  2. Step 2: Convert to fraction form
    777,843.12/1,166,935.90 = 238,103.66/x
  3. Step 3: Cross multiply
    777,843.12x = 1,166,935.90 × 238,103.66
  4. Step 4: Simplify right side
    777,843.12x = 277,851,708,775.39
  5. Step 5: Solve for x
    x = 277,851,708,775.39/777,843.12
  6. Step 6: Final answer
    x = 357,207.90

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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.