Home / 424,954.20-637,431.56-406,504.44

Finding the Fourth Proportional to 424,954.20, 637,431.56 and 406,504.44

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Solution

The fourth proportional to 424,954.20, 637,431.56 and 406,504.44 is: 609,756.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,954.20 : 637,431.56 = 406,504.44 : x
  2. Step 2: Convert to fraction form
    424,954.20/637,431.56 = 406,504.44/x
  3. Step 3: Cross multiply
    424,954.20x = 637,431.56 × 406,504.44
  4. Step 4: Simplify right side
    424,954.20x = 259,118,759,336.13
  5. Step 5: Solve for x
    x = 259,118,759,336.13/424,954.20
  6. Step 6: Final answer
    x = 609,756.91

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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.