Home / 1,133,928.11-1,700,849.54-281,002.21

Finding the Fourth Proportional to 1,133,928.11, 1,700,849.54 and 281,002.21

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Solution

The fourth proportional to 1,133,928.11, 1,700,849.54 and 281,002.21 is: 421,492.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,928.11 : 1,700,849.54 = 281,002.21 : x
  2. Step 2: Convert to fraction form
    1,133,928.11/1,700,849.54 = 281,002.21/x
  3. Step 3: Cross multiply
    1,133,928.11x = 1,700,849.54 × 281,002.21
  4. Step 4: Simplify right side
    1,133,928.11x = 477,942,476,067.87
  5. Step 5: Solve for x
    x = 477,942,476,067.87/1,133,928.11
  6. Step 6: Final answer
    x = 421,492.75

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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.