Home / 1,811,330-2,717,409.72-629,378

Finding the Fourth Proportional to 1,811,330, 2,717,409.72 and 629,378

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Solution

The fourth proportional to 1,811,330, 2,717,409.72 and 629,378 is: 944,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,330 : 2,717,409.72 = 629,378 : x
  2. Step 2: Convert to fraction form
    1,811,330/2,717,409.72 = 629,378/x
  3. Step 3: Cross multiply
    1,811,330x = 2,717,409.72 × 629,378
  4. Step 4: Simplify right side
    1,811,330x = 1,710,277,894,754.16
  5. Step 5: Solve for x
    x = 1,710,277,894,754.16/1,811,330
  6. Step 6: Final answer
    x = 944,211.10

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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.