Home / 439,974.53-607,173.47-287,110.52

Finding the Fourth Proportional to 439,974.53, 607,173.47 and 287,110.52

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Solution

The fourth proportional to 439,974.53, 607,173.47 and 287,110.52 is: 396,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,974.53 : 607,173.47 = 287,110.52 : x
  2. Step 2: Convert to fraction form
    439,974.53/607,173.47 = 287,110.52/x
  3. Step 3: Cross multiply
    439,974.53x = 607,173.47 × 287,110.52
  4. Step 4: Simplify right side
    439,974.53x = 174,325,889,584.05
  5. Step 5: Solve for x
    x = 174,325,889,584.05/439,974.53
  6. Step 6: Final answer
    x = 396,218.14

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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.