Home / 1,131,372.72-1,696,614.30-411,543.54

Finding the Fourth Proportional to 1,131,372.72, 1,696,614.30 and 411,543.54

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Solution

The fourth proportional to 1,131,372.72, 1,696,614.30 and 411,543.54 is: 617,153.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,372.72 : 1,696,614.30 = 411,543.54 : x
  2. Step 2: Convert to fraction form
    1,131,372.72/1,696,614.30 = 411,543.54/x
  3. Step 3: Cross multiply
    1,131,372.72x = 1,696,614.30 × 411,543.54
  4. Step 4: Simplify right side
    1,131,372.72x = 698,230,655,036.62
  5. Step 5: Solve for x
    x = 698,230,655,036.62/1,131,372.72
  6. Step 6: Final answer
    x = 617,153.52

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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.