Home / 1,921,404.68-2,882,061.07-624,555.43

Finding the Fourth Proportional to 1,921,404.68, 2,882,061.07 and 624,555.43

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Solution

The fourth proportional to 1,921,404.68, 2,882,061.07 and 624,555.43 is: 936,818.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,404.68 : 2,882,061.07 = 624,555.43 : x
  2. Step 2: Convert to fraction form
    1,921,404.68/2,882,061.07 = 624,555.43/x
  3. Step 3: Cross multiply
    1,921,404.68x = 2,882,061.07 × 624,555.43
  4. Step 4: Simplify right side
    1,921,404.68x = 1,800,006,892,901.30
  5. Step 5: Solve for x
    x = 1,800,006,892,901.30/1,921,404.68
  6. Step 6: Final answer
    x = 936,818.21

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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.