Home / 377,941.95-521,560.61-205,859.37

Finding the Fourth Proportional to 377,941.95, 521,560.61 and 205,859.37

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Solution

The fourth proportional to 377,941.95, 521,560.61 and 205,859.37 is: 284,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,941.95 : 521,560.61 = 205,859.37 : x
  2. Step 2: Convert to fraction form
    377,941.95/521,560.61 = 205,859.37/x
  3. Step 3: Cross multiply
    377,941.95x = 521,560.61 × 205,859.37
  4. Step 4: Simplify right side
    377,941.95x = 107,368,137,562.12
  5. Step 5: Solve for x
    x = 107,368,137,562.12/377,941.95
  6. Step 6: Final answer
    x = 284,086.32

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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.