Home / 620,831.52-931,247.30-177,599.52

Finding the Fourth Proportional to 620,831.52, 931,247.30 and 177,599.52

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Solution

The fourth proportional to 620,831.52, 931,247.30 and 177,599.52 is: 266,399.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,831.52 : 931,247.30 = 177,599.52 : x
  2. Step 2: Convert to fraction form
    620,831.52/931,247.30 = 177,599.52/x
  3. Step 3: Cross multiply
    620,831.52x = 931,247.30 × 177,599.52
  4. Step 4: Simplify right side
    620,831.52x = 165,389,073,481.30
  5. Step 5: Solve for x
    x = 165,389,073,481.30/620,831.52
  6. Step 6: Final answer
    x = 266,399.29

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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.