Home / 1,288,540.34-1,932,808.07-341,836.64

Finding the Fourth Proportional to 1,288,540.34, 1,932,808.07 and 341,836.64

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Solution

The fourth proportional to 1,288,540.34, 1,932,808.07 and 341,836.64 is: 512,754.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,540.34 : 1,932,808.07 = 341,836.64 : x
  2. Step 2: Convert to fraction form
    1,288,540.34/1,932,808.07 = 341,836.64/x
  3. Step 3: Cross multiply
    1,288,540.34x = 1,932,808.07 × 341,836.64
  4. Step 4: Simplify right side
    1,288,540.34x = 660,704,605,040.46
  5. Step 5: Solve for x
    x = 660,704,605,040.46/1,288,540.34
  6. Step 6: Final answer
    x = 512,754.31

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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.