Home / 1,611,687.76-2,417,617.96-413,620.40

Finding the Fourth Proportional to 1,611,687.76, 2,417,617.96 and 413,620.40

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Solution

The fourth proportional to 1,611,687.76, 2,417,617.96 and 413,620.40 is: 620,452.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,687.76 : 2,417,617.96 = 413,620.40 : x
  2. Step 2: Convert to fraction form
    1,611,687.76/2,417,617.96 = 413,620.40/x
  3. Step 3: Cross multiply
    1,611,687.76x = 2,417,617.96 × 413,620.40
  4. Step 4: Simplify right side
    1,611,687.76x = 999,976,107,662.38
  5. Step 5: Solve for x
    x = 999,976,107,662.38/1,611,687.76
  6. Step 6: Final answer
    x = 620,452.75

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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.