Home / 603,586.09-905,377.31-154,307.04

Finding the Fourth Proportional to 603,586.09, 905,377.31 and 154,307.04

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Solution

The fourth proportional to 603,586.09, 905,377.31 and 154,307.04 is: 231,460.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,586.09 : 905,377.31 = 154,307.04 : x
  2. Step 2: Convert to fraction form
    603,586.09/905,377.31 = 154,307.04/x
  3. Step 3: Cross multiply
    603,586.09x = 905,377.31 × 154,307.04
  4. Step 4: Simplify right side
    603,586.09x = 139,706,092,789.26
  5. Step 5: Solve for x
    x = 139,706,092,789.26/603,586.09
  6. Step 6: Final answer
    x = 231,460.09

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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.