Home / 500,369.10-690,504.18-270,922.44

Finding the Fourth Proportional to 500,369.10, 690,504.18 and 270,922.44

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Solution

The fourth proportional to 500,369.10, 690,504.18 and 270,922.44 is: 373,870.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,369.10 : 690,504.18 = 270,922.44 : x
  2. Step 2: Convert to fraction form
    500,369.10/690,504.18 = 270,922.44/x
  3. Step 3: Cross multiply
    500,369.10x = 690,504.18 × 270,922.44
  4. Step 4: Simplify right side
    500,369.10x = 187,073,077,275.80
  5. Step 5: Solve for x
    x = 187,073,077,275.80/500,369.10
  6. Step 6: Final answer
    x = 373,870.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.