Home / 1,185,198.32-1,778,213.16-343,800.56

Finding the Fourth Proportional to 1,185,198.32, 1,778,213.16 and 343,800.56

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Solution

The fourth proportional to 1,185,198.32, 1,778,213.16 and 343,800.56 is: 515,821.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,198.32 : 1,778,213.16 = 343,800.56 : x
  2. Step 2: Convert to fraction form
    1,185,198.32/1,778,213.16 = 343,800.56/x
  3. Step 3: Cross multiply
    1,185,198.32x = 1,778,213.16 × 343,800.56
  4. Step 4: Simplify right side
    1,185,198.32x = 611,350,680,207.37
  5. Step 5: Solve for x
    x = 611,350,680,207.37/1,185,198.32
  6. Step 6: Final answer
    x = 515,821.42

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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.