Home / 494,564.55-741,743.02-139,495.53

Finding the Fourth Proportional to 494,564.55, 741,743.02 and 139,495.53

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Solution

The fourth proportional to 494,564.55, 741,743.02 and 139,495.53 is: 209,214.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,564.55 : 741,743.02 = 139,495.53 : x
  2. Step 2: Convert to fraction form
    494,564.55/741,743.02 = 139,495.53/x
  3. Step 3: Cross multiply
    494,564.55x = 741,743.02 × 139,495.53
  4. Step 4: Simplify right side
    494,564.55x = 103,469,835,001.22
  5. Step 5: Solve for x
    x = 103,469,835,001.22/494,564.55
  6. Step 6: Final answer
    x = 209,214.01

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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.