Home / 454,611.09-627,632.10-404,170.50

Finding the Fourth Proportional to 454,611.09, 627,632.10 and 404,170.50

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Solution

The fourth proportional to 454,611.09, 627,632.10 and 404,170.50 is: 557,994.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,611.09 : 627,632.10 = 404,170.50 : x
  2. Step 2: Convert to fraction form
    454,611.09/627,632.10 = 404,170.50/x
  3. Step 3: Cross multiply
    454,611.09x = 627,632.10 × 404,170.50
  4. Step 4: Simplify right side
    454,611.09x = 253,670,379,673.05
  5. Step 5: Solve for x
    x = 253,670,379,673.05/454,611.09
  6. Step 6: Final answer
    x = 557,994.26

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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.