Home / 699,655.56-1,049,558.28-194,218.66

Finding the Fourth Proportional to 699,655.56, 1,049,558.28 and 194,218.66

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Solution

The fourth proportional to 699,655.56, 1,049,558.28 and 194,218.66 is: 291,348.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,655.56 : 1,049,558.28 = 194,218.66 : x
  2. Step 2: Convert to fraction form
    699,655.56/1,049,558.28 = 194,218.66/x
  3. Step 3: Cross multiply
    699,655.56x = 1,049,558.28 × 194,218.66
  4. Step 4: Simplify right side
    699,655.56x = 203,843,802,733.51
  5. Step 5: Solve for x
    x = 203,843,802,733.51/699,655.56
  6. Step 6: Final answer
    x = 291,348.79

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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.