Home / 853,831.20-1,178,173.20-548,321.41

Finding the Fourth Proportional to 853,831.20, 1,178,173.20 and 548,321.41

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Solution

The fourth proportional to 853,831.20, 1,178,173.20 and 548,321.41 is: 756,610.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,831.20 : 1,178,173.20 = 548,321.41 : x
  2. Step 2: Convert to fraction form
    853,831.20/1,178,173.20 = 548,321.41/x
  3. Step 3: Cross multiply
    853,831.20x = 1,178,173.20 × 548,321.41
  4. Step 4: Simplify right side
    853,831.20x = 646,017,581,615.74
  5. Step 5: Solve for x
    x = 646,017,581,615.74/853,831.20
  6. Step 6: Final answer
    x = 756,610.42

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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.