Home / 693,891.61-1,040,072.23-453,905.89

Finding the Fourth Proportional to 693,891.61, 1,040,072.23 and 453,905.89

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Solution

The fourth proportional to 693,891.61, 1,040,072.23 and 453,905.89 is: 680,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,891.61 : 1,040,072.23 = 453,905.89 : x
  2. Step 2: Convert to fraction form
    693,891.61/1,040,072.23 = 453,905.89/x
  3. Step 3: Cross multiply
    693,891.61x = 1,040,072.23 × 453,905.89
  4. Step 4: Simplify right side
    693,891.61x = 472,094,911,222.44
  5. Step 5: Solve for x
    x = 472,094,911,222.44/693,891.61
  6. Step 6: Final answer
    x = 680,358.29

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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.