Home / 864,148.60-1,296,222.90-548,831.80

Finding the Fourth Proportional to 864,148.60, 1,296,222.90 and 548,831.80

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Solution

The fourth proportional to 864,148.60, 1,296,222.90 and 548,831.80 is: 823,247.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,148.60 : 1,296,222.90 = 548,831.80 : x
  2. Step 2: Convert to fraction form
    864,148.60/1,296,222.90 = 548,831.80/x
  3. Step 3: Cross multiply
    864,148.60x = 1,296,222.90 × 548,831.80
  4. Step 4: Simplify right side
    864,148.60x = 711,408,347,408.22
  5. Step 5: Solve for x
    x = 711,408,347,408.22/864,148.60
  6. Step 6: Final answer
    x = 823,247.70

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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.