Home / 522,945.61-721,634.60-293,481.45

Finding the Fourth Proportional to 522,945.61, 721,634.60 and 293,481.45

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Solution

The fourth proportional to 522,945.61, 721,634.60 and 293,481.45 is: 404,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,945.61 : 721,634.60 = 293,481.45 : x
  2. Step 2: Convert to fraction form
    522,945.61/721,634.60 = 293,481.45/x
  3. Step 3: Cross multiply
    522,945.61x = 721,634.60 × 293,481.45
  4. Step 4: Simplify right side
    522,945.61x = 211,786,369,511.87
  5. Step 5: Solve for x
    x = 211,786,369,511.87/522,945.61
  6. Step 6: Final answer
    x = 404,987.38

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1.5x scale

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.