Home / 499,827.60-749,085.30-200,062.80

Finding the Fourth Proportional to 499,827.60, 749,085.30 and 200,062.80

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Solution

The fourth proportional to 499,827.60, 749,085.30 and 200,062.80 is: 299,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,827.60 : 749,085.30 = 200,062.80 : x
  2. Step 2: Convert to fraction form
    499,827.60/749,085.30 = 200,062.80/x
  3. Step 3: Cross multiply
    499,827.60x = 749,085.30 × 200,062.80
  4. Step 4: Simplify right side
    499,827.60x = 149,864,102,556.84
  5. Step 5: Solve for x
    x = 149,864,102,556.84/499,827.60
  6. Step 6: Final answer
    x = 299,831.59

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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.