Home / 439,880.03-606,721.39-403,698.25

Finding the Fourth Proportional to 439,880.03, 606,721.39 and 403,698.25

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Solution

The fourth proportional to 439,880.03, 606,721.39 and 403,698.25 is: 556,816.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,880.03 : 606,721.39 = 403,698.25 : x
  2. Step 2: Convert to fraction form
    439,880.03/606,721.39 = 403,698.25/x
  3. Step 3: Cross multiply
    439,880.03x = 606,721.39 × 403,698.25
  4. Step 4: Simplify right side
    439,880.03x = 244,932,359,716.92
  5. Step 5: Solve for x
    x = 244,932,359,716.92/439,880.03
  6. Step 6: Final answer
    x = 556,816.27

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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.