Home / 1,745,120.72-2,617,681.84-547,136.43

Finding the Fourth Proportional to 1,745,120.72, 2,617,681.84 and 547,136.43

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Solution

The fourth proportional to 1,745,120.72, 2,617,681.84 and 547,136.43 is: 820,704.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745,120.72 : 2,617,681.84 = 547,136.43 : x
  2. Step 2: Convert to fraction form
    1,745,120.72/2,617,681.84 = 547,136.43/x
  3. Step 3: Cross multiply
    1,745,120.72x = 2,617,681.84 × 547,136.43
  4. Step 4: Simplify right side
    1,745,120.72x = 1,432,229,083,725.02
  5. Step 5: Solve for x
    x = 1,432,229,083,725.02/1,745,120.72
  6. Step 6: Final answer
    x = 820,704.88

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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.