Home / 468,260.03-646,198.83-253,400.09

Finding the Fourth Proportional to 468,260.03, 646,198.83 and 253,400.09

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Solution

The fourth proportional to 468,260.03, 646,198.83 and 253,400.09 is: 349,692.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,260.03 : 646,198.83 = 253,400.09 : x
  2. Step 2: Convert to fraction form
    468,260.03/646,198.83 = 253,400.09/x
  3. Step 3: Cross multiply
    468,260.03x = 646,198.83 × 253,400.09
  4. Step 4: Simplify right side
    468,260.03x = 163,746,838,448.90
  5. Step 5: Solve for x
    x = 163,746,838,448.90/468,260.03
  6. Step 6: Final answer
    x = 349,692.11

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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.