Home / 699,650.78-1,049,551.16-194,213.88

Finding the Fourth Proportional to 699,650.78, 1,049,551.16 and 194,213.88

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Solution

The fourth proportional to 699,650.78, 1,049,551.16 and 194,213.88 is: 291,341.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,650.78 : 1,049,551.16 = 194,213.88 : x
  2. Step 2: Convert to fraction form
    699,650.78/1,049,551.16 = 194,213.88/x
  3. Step 3: Cross multiply
    699,650.78x = 1,049,551.16 × 194,213.88
  4. Step 4: Simplify right side
    699,650.78x = 203,837,402,071.03
  5. Step 5: Solve for x
    x = 203,837,402,071.03/699,650.78
  6. Step 6: Final answer
    x = 291,341.64

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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.