Home / 690,899.44-1,036,349.17-269,880.06

Finding the Fourth Proportional to 690,899.44, 1,036,349.17 and 269,880.06

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Solution

The fourth proportional to 690,899.44, 1,036,349.17 and 269,880.06 is: 404,820.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,899.44 : 1,036,349.17 = 269,880.06 : x
  2. Step 2: Convert to fraction form
    690,899.44/1,036,349.17 = 269,880.06/x
  3. Step 3: Cross multiply
    690,899.44x = 1,036,349.17 × 269,880.06
  4. Step 4: Simplify right side
    690,899.44x = 279,689,976,180.55
  5. Step 5: Solve for x
    x = 279,689,976,180.55/690,899.44
  6. Step 6: Final answer
    x = 404,820.09

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Similar ratio
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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.