Home / 961,658.56-1,327,072.43-531,938.34

Finding the Fourth Proportional to 961,658.56, 1,327,072.43 and 531,938.34

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Solution

The fourth proportional to 961,658.56, 1,327,072.43 and 531,938.34 is: 734,065.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,658.56 : 1,327,072.43 = 531,938.34 : x
  2. Step 2: Convert to fraction form
    961,658.56/1,327,072.43 = 531,938.34/x
  3. Step 3: Cross multiply
    961,658.56x = 1,327,072.43 × 531,938.34
  4. Step 4: Simplify right side
    961,658.56x = 705,920,705,473.97
  5. Step 5: Solve for x
    x = 705,920,705,473.97/961,658.56
  6. Step 6: Final answer
    x = 734,065.85

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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.