Home / 743,951.25-1,026,653.13-404,419.50

Finding the Fourth Proportional to 743,951.25, 1,026,653.13 and 404,419.50

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Solution

The fourth proportional to 743,951.25, 1,026,653.13 and 404,419.50 is: 558,099.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,951.25 : 1,026,653.13 = 404,419.50 : x
  2. Step 2: Convert to fraction form
    743,951.25/1,026,653.13 = 404,419.50/x
  3. Step 3: Cross multiply
    743,951.25x = 1,026,653.13 × 404,419.50
  4. Step 4: Simplify right side
    743,951.25x = 415,198,545,508.04
  5. Step 5: Solve for x
    x = 415,198,545,508.04/743,951.25
  6. Step 6: Final answer
    x = 558,099.13

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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.