Home / 1,215,751.80-1,823,627.70-541,831.80

Finding the Fourth Proportional to 1,215,751.80, 1,823,627.70 and 541,831.80

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Solution

The fourth proportional to 1,215,751.80, 1,823,627.70 and 541,831.80 is: 812,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,751.80 : 1,823,627.70 = 541,831.80 : x
  2. Step 2: Convert to fraction form
    1,215,751.80/1,823,627.70 = 541,831.80/x
  3. Step 3: Cross multiply
    1,215,751.80x = 1,823,627.70 × 541,831.80
  4. Step 4: Simplify right side
    1,215,751.80x = 988,099,479,220.86
  5. Step 5: Solve for x
    x = 988,099,479,220.86/1,215,751.80
  6. Step 6: Final answer
    x = 812,747.70

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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.