Home / 696,788.46-1,045,180.32-191,349.90

Finding the Fourth Proportional to 696,788.46, 1,045,180.32 and 191,349.90

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Solution

The fourth proportional to 696,788.46, 1,045,180.32 and 191,349.90 is: 287,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,788.46 : 1,045,180.32 = 191,349.90 : x
  2. Step 2: Convert to fraction form
    696,788.46/1,045,180.32 = 191,349.90/x
  3. Step 3: Cross multiply
    696,788.46x = 1,045,180.32 × 191,349.90
  4. Step 4: Simplify right side
    696,788.46x = 199,995,149,713.97
  5. Step 5: Solve for x
    x = 199,995,149,713.97/696,788.46
  6. Step 6: Final answer
    x = 287,024.20

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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.