Home / 377,831.98-520,521.23-262,912.98

Finding the Fourth Proportional to 377,831.98, 520,521.23 and 262,912.98

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Solution

The fourth proportional to 377,831.98, 520,521.23 and 262,912.98 is: 362,202.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,831.98 : 520,521.23 = 262,912.98 : x
  2. Step 2: Convert to fraction form
    377,831.98/520,521.23 = 262,912.98/x
  3. Step 3: Cross multiply
    377,831.98x = 520,521.23 × 262,912.98
  4. Step 4: Simplify right side
    377,831.98x = 136,851,786,418.00
  5. Step 5: Solve for x
    x = 136,851,786,418.00/377,831.98
  6. Step 6: Final answer
    x = 362,202.77

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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.