Home / 535,636.86-802,982.25-409,838.61

Finding the Fourth Proportional to 535,636.86, 802,982.25 and 409,838.61

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Solution

The fourth proportional to 535,636.86, 802,982.25 and 409,838.61 is: 614,395.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,636.86 : 802,982.25 = 409,838.61 : x
  2. Step 2: Convert to fraction form
    535,636.86/802,982.25 = 409,838.61/x
  3. Step 3: Cross multiply
    535,636.86x = 802,982.25 × 409,838.61
  4. Step 4: Simplify right side
    535,636.86x = 329,093,129,194.67
  5. Step 5: Solve for x
    x = 329,093,129,194.67/535,636.86
  6. Step 6: Final answer
    x = 614,395.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.